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Journal articles on the topic 'Neritimorpha'

Author: Grafiati

Published: 4 June 2025

Last updated: 23 June 2025

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1

Cunha, Tauana Junqueira, and Gonzalo Giribet. "A congruent topology for deep gastropod relationships." Proceedings of the Royal Society B: Biological Sciences 286, no. 1898 (2019): 20182776. http://dx.doi.org/10.1098/rspb.2018.2776.

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Gastropod molluscs are among the most diverse and abundant animals in the oceans, and are successful colonizers of terrestrial and freshwater environments. Past phylogenetic efforts to resolve gastropod relationships resulted in a range of conflicting hypotheses. Here, we use phylogenomics to address deep relationships between the five major gastropod lineages—Caenogastropoda, Heterobranchia, Neritimorpha, Patellogastropoda and Vetigastropoda—and provide one congruent and well-supported topology. We substantially expand taxon sampling for outgroups and for previously underrepresented gastropod lineages, presenting new transcriptomes for neritimorphs and patellogastropods. We conduct analyses under maximum-likelihood, Bayesian inference and a coalescent-based approach, accounting for the most pervasive sources of systematic errors in large datasets: compositional heterogeneity, site heterogeneity, heterotachy, variation in evolutionary rates among genes, matrix completeness, outgroup choice and gene tree conflict. We find that vetigastropods and patellogastropods are sister taxa, and that neritimorphs are the sister group to caenogastropods and heterobranchs. We name these two major unranked clades Psilogastropoda and Angiogastropoda, respectively. We additionally provide the first genomic-scale data for internal relationships of neritimorphs and patellogastropods. Our results highlight the need for reinterpreting the evolution of morphological and developmental characters in gastropods, especially for inferring their ancestral states.

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2

Salvador, Rodrigo Brincalepe, Fernanda Santos Silva, and Maria Elina Bichuette. "Taxonomic study on a collection of terrestrial and freshwater gastropods from caves in Bahia state, Brazil, with the description of a new species." Folia Malacologica 31, no. 1 (2023): 48–60. http://dx.doi.org/10.12657/folmal.031.007.

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Gastropod samples were collected during expeditions to caves in Bahia state, northeastern Brazil, and are studied herein. Collection took place over the past five years, and gastropods were found in 14 caves distributed across six different municipalities: Campo Formoso, Carinhanha, Coribe, Feira da Mata, Central, and Ituaçu. A total of 19 species-level taxa of terrestrial and freshwater gastropods (representing 10 families) were collected, including representatives of the taxa Neritimorpha, Caenogastropoda, Hygrophila, and Stylommatophora. A new species is described herein: Helicina marfisae sp. nov. (Neritimorpha, Helicinidae).

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3

Jagt, John W. M., and Steffen Kiel. "The operculum of Otostoma Retzii (Nilsson, 1827) (Gastropoda, Neritidae; Late Cretaceous) and its phylogenetic significance." Journal of Paleontology 82, no. 1 (2008): 201–5. http://dx.doi.org/10.1666/06-055.1.

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The Neritimorph gastropod genus Otostoma d'Archiac, 1859 (p. 871), with its hemispherical shell and typical axial ribs and lamellae, is a characteristic fossil in (sub)tropical, nearshore deposits of the late Early and Late Cretaceous ages (Saul and Squires, 1997; Kiel, 2002; Kiel et al., 2002; Bandel and Kiel, 2003). The genus survived Cretaceous/Paleogene boundary perturbations and appears to have become extinct during the Middle Eocene (Glibert, 1973; Saul and Squires, 1997). Its placement in the Neritimorpha Golikov and Starobogatov, 1975 is clear from its typical hemispherical shell and D-shaped inner lip with a row of denticles. Long considered linked to Recent Nerita Linnaeus, 1758 (see Wenz, 1938-1944; Kase, 1984; Squires and Saul, 1993; Bandel and Kiel, 2003), assignment of Otostoma to the Neritoidea Rafinesque, 1815 has recently been corroborated by documentation of dissolved internal walls in Otostoma divaricatum (d'Orbigny, 1842) from the Campanian (Upper Cretaceous) of northeast Spain (Bandel and Kiel, 2003). However, axial (collabral) ornament as seen in Otostoma is unknown in modern neritids, which usually are either smooth or spirally sculptured. Here we describe the operculum of Otostoma retzii (Nilsson, 1827) for the first time; it closely resembles that of Nerita and many species of Neritina Lamarck, 1816, yet differs significantly from those of other neritimorph clades, including Neritopsidae Gray, 1847 and Neritiliidae Schepman, 1908.

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4

Richling, Ira. "Clarification of the identity of Helicina mediana Gassies, 1870 from New Caledonia (Gastropoda, Neritimorpha, Helicinidae)." Zootaxa 4247, no. 1 (2017): 65–67. https://doi.org/10.11646/zootaxa.4247.1.8.

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Richling, Ira (2017): Clarification of the identity of Helicina mediana Gassies, 1870 from New Caledonia (Gastropoda, Neritimorpha, Helicinidae). Zootaxa 4247 (1): 65-67, DOI: 10.11646/zootaxa.4247.1.8

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5

Nützel, Alexander, Jirí Fŕyda, Thomas E. Yancey, and John R. Anderson. "Larval shells of Late Palaeozoic naticopsid gastropods (Neritopsoidea: Neritimorpha) with a discussion of the early neritimorph evolution." Paläontologische Zeitschrift 81, no. 3 (2007): 213–28. http://dx.doi.org/10.1007/bf02990173.

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6

Symonds, Malcolm Francis, and Jean-Michel Pacaud. "New species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France." Zootaxa 2606 (December 31, 2010): 55–68. https://doi.org/10.5281/zenodo.197721.

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Symonds, Malcolm Francis, Pacaud, Jean-Michel (2010): New species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France. Zootaxa 2606: 55-68, DOI: 10.5281/zenodo.197721

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7

Simone, Luiz Ricardo L. "Phenotypic features of Helicina variabilis (Gastropoda: Neritimorpha) from Minas Gerais, Brazil." Papéis Avulsos de Zoologia 58 (July 27, 2018): 1–9. https://doi.org/10.11606/1807-0205/2018.58.32.

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Simone, Luiz Ricardo L. (2018): Phenotypic features of Helicina variabilis (Gastropoda: Neritimorpha) from Minas Gerais, Brazil. Papéis Avulsos de Zoologia (Pap. Avulsos Zool., S. Paulo) 58: 1-9, DOI: 10.11606/1807-0205/2018.58.32, URL: http://dx.doi.org/10.11606/1807-0205/2018.58.32

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8

Uribe, Juan E., Don Colgan, Lyda R. Castro, Yasunori Kano, and Rafael Zardoya. "Phylogenetic relationships among superfamilies of Neritimorpha (Mollusca: Gastropoda)." Molecular Phylogenetics and Evolution 104 (November 2016): 21–31. http://dx.doi.org/10.1016/j.ympev.2016.07.021.

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9

Hoang, Ngoc Khac, Van Lien Vu, Thi Thanh Binh Tran, Thanh Son Nguyen, and Duc Sang Do. "Description of the second Calybium Morlet, 1892, and the first record of the genus for Vietnam's terrestrial gastropod fauna (Neritimorpha: Helicinoidea: Helicinidae)." Ruthenica, Russian Malacological Journal 35, no. 1 (2025): 39–45. https://doi.org/10.35885/ruthenica.2025.35(1).4.

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Hoang, Ngoc Khac, Vu, Van Lien, Tran, Thi Thanh Binh, Nguyen, Thanh Son, Do, Duc Sang (2025): Description of the second Calybium Morlet, 1892, and the first record of the genus for Vietnam's terrestrial gastropod fauna (Neritimorpha: Helicinoidea: Helicinidae). Ruthenica, Russian Malacological Journal (New York) 35 (1): 39-45, DOI: 10.35885/ruthenica.2025.35(1).4, URL: https://doi.org/10.35885/ruthenica.2025.35(1).4

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10

Nielsen, Sven N., Daniel Frassinetti, and Klaus Bandel. "Miocene Vetigastropoda and Neritimorpha (Mollusca, Gastropoda) of central Chile." Journal of South American Earth Sciences 17, no. 1 (2004): 73–88. http://dx.doi.org/10.1016/j.jsames.2004.05.005.

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11

Feng, Jiantong, Zeqin Fu, Yahong Guo, et al. "The complete mitochondrial genome of Nerita albicilla (Neritimorpha: Neritidae)." Mitochondrial DNA Part B 4, no. 1 (2019): 1597–98. http://dx.doi.org/10.1080/23802359.2019.1601523.

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12

García-Risco, Mario, Sara Calatayud, Veronika Pedrini-Martha, et al. "Metal-Specificity Divergence between Metallothioneins of Nerita peloronta (Neritimorpha, Gastropoda) Sets the Starting Point for a Novel Chemical MT Classification Proposal." International Journal of Molecular Sciences 22, no. 23 (2021): 13114. http://dx.doi.org/10.3390/ijms222313114.

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Metallothioneins’ (MTs) biological function has been a matter of debate since their discovery. The importance to categorize these cysteine-rich proteins with high coordinating capacity into a specific group led to numerous classification proposals. We proposed a classification based on their metal-binding abilities, gradually sorting them from those with high selectivity towards Zn/Cd to those that are Cu-specific. However, the study of the NpeMT1 and NpeMT2isoforms of Nerita peloronta, has put a new perspective on this classification. N. peloronta has been chosen as a representative mollusk to elucidate the metal-binding abilities of Neritimorpha MTs, an order without any MTs characterized recently. Both isoforms have been recombinantly synthesized in cultures supplemented with ZnII, CdII, or CuII, and the purified metal–MT complexes have been thoroughly characterized by spectroscopic and spectrometric methods, leading to results that confirmed that Neritimorpha share Cd-selective MTs with Caenogastropoda and Heterobranchia, solving a so far unresolved question. NpeMTs show high coordinating preferences towards divalent metal ions, although one of them (NpeMT1) shares features with the so-called genuine Zn-thioneins, while the other (NpeMT2) exhibits a higher preference for Cd. The dissimilarities between the two isoforms let a window open to a new proposal of chemical MT classification.

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13

Feng, Jiantong, Yahong Guo, Chengrui Yan, et al. "Sequence comparison of the mitochondrial genomes in two species of the genus Nerita (Gastropoda: Neritimorpha: Neritidae): phylogenetic implications and divergence time estimation for Neritimorpha." Molecular Biology Reports 47, no. 10 (2020): 7903–16. http://dx.doi.org/10.1007/s11033-020-05870-0.

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14

Pieroni, Vittorio, and Rudolf Stockar. "Gastropods from the Sceltrich beds of Monte San Giorgio (Meride Limestone, Ladinian, Canton Ticino, Switzerland)." Revue de Paléobiologie 39, no. 2 (2020): 413–20. https://doi.org/10.5281/zenodo.4460698.

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For the first time gastropods from the Meride Limestone (Ladinian) are documented. The material was collected from the outcrop Valle di Sceltrich at Monte San Giorgio (Southern Alps, Ticino, Switzerland) in the newly discovered Sceltrich beds. The taxa include Cryptonerita? sp., Coelostylina stotteri and Omphaloptycha cf. marianii. The findings represent the first identifiable Ladinian gastropods so far described from this UNESCO Fossillagerstätte and document the occurrence of several taxa of the clades Neritimorpha and Caenogastropoda from the Meride Limestone.

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15

Bandel, Klaus, and Doris Heidelberger. "The new family Nerrhenidae (Neritimorpha, Gastropoda) from the Givetian of Germany." Neues Jahrbuch für Geologie und Paläontologie - Monatshefte 2001, no. 12 (2001): 705–18. http://dx.doi.org/10.1127/njgpm/2001/2001/705.

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16

Salvador, Rodrigo Brincalepe, Fernanda dos Santos Silva, and Maria Elina Bichuette. "New records of land-snail species from caves of Mato Grosso state, Midwest Brazil (Gastropoda, Neritimorpha and Stylommatophora)." Check List 18, no. (6) (2022): 1231–36. https://doi.org/10.15560/18.6.1231.

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Recent collection efforts in caves of Mato Grosso state, Brazilian Midwest, have brought to light specimens of four Neritimorpha and Stylommatophora land-snail species previously unrecorded from that state: <em>Helicina fulva </em>d’Orbigny, 1835 (Family Helicinidae), <em>Streptartemon abunaensis </em>(F. Baker, 1914) and <em>Streptartemon decipiens </em>(Crosse, 1865) (family Streptaxidae), and <em>Systrophia alcidiana </em>Ancey, 1892 (family Scolodontidae). These records are not only the first from that state, but also represent large extensions to those species’ known distributions, as well as their first records from a cave habitat.

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17

Simone, Luiz Ricardo L. "Phenotypic features of Helicina variabilis (Gastropoda: Neritimorpha) from Minas Gerais, Brazil." Papéis Avulsos de Zoologia 58 (July 27, 2018): e20185832. http://dx.doi.org/10.11606/1807-0205/2018.58.32.

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Helicina variabilis Wagner, 1827 (Neritimorpha, Helicinidae) is redescribed based on a sample collected in Nanuque, northern Minas Gerais, Brazil. The species description, previously based only on the shell, is expanded to the phenotypic features. The study revealed absorption of the internal shell whorls; a diaphragm muscle connected to the floor of the pallial cavity; a monoaulic pallial oviduct, with the female genital aperture inside the anal aperture, and the lack of a seminal receptacle and provaginal sac; and the pleural ganglia of the nerve ring connected with each other. The significance of these findings is discussed in the light of current taxonomic and phylogenetic knowledge.

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18

Nützel, Alexander, Jan Ove Ebbestad, Barbara Seuss, Axel Munnecke, Royal H. Mapes, and Alex G. Cook. "On Paleozoic platycerate gastropods." Zitteliana 97 (December 12, 2023): 29–51. http://dx.doi.org/10.3897/zitteliana.97.115688.

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The platycerate gastropods Orthonychia yutaroi Ebbestad, sp. nov. (Ordovician, Boda Limestone, Sweden), O. enorme (Silurian, Sweden, Gotland), O. parva (Pennsylvanian, Finis Shale Member, USA), and Orthonychia sp. (Mississippian, Imo Formation, USA) are studied including their protoconch morphology. Orthonychia yutaroi is the oldest known species in Orthonychia. Platycerates contain species with both, openly and tightly coiled protoconchs. This is the first report that tightly coiled protoconchs occur in Orthonychia. This and previously published observations blur the diagnostic difference between orders Cyrtoneritimorpha (openly coiled protoconch) and Cycloneritimorpha (tightly coiled protoconch). We suggest to treat Cyrtoneritimorpha and Cycloneritimorpha as synonyms of Neritimorpha. The monotypic Devonian genus Pragoserpulina is morphological so close to the Orthonychia species reported herein that synonymy of both genera seems to be possible (and thus of the families Pragoserpulinidae and Orthonychiidae). Protoconch morphology and dimensions suggest that the studied platycerate species had planktotrophic larval development. By contrast, two studied Carboniferous euomphaloid species (one with an openly and the other with tightly coiled protoconch) have paucispiral, large protoconchs indicating non-planktotrophic larval development. We assume that openly and tightly coiled protoconchs were present in various Paleozoic gastropod clades and that selection acted against the openly coiled protoconch morphology. It has previously been proposed that increasing predation pressure in the plankton was the reason for the demise of openly coiled protoconchs (Paleozoic plankton revolution). The presence of larval planktotrophy in platycerates excludes the possibility that they belong to extant basal gastropod clades such as Patellogastropoda, Cocculiniformia, and Vetigastropoda. However, a previously proposed close relationship to Neritimorpha is corroborated.

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19

Colgan, Donald James. "The Families of Non-LTR Transposable Elements within Neritimorpha and Other Gastropoda." Genes 15, no. 6 (2024): 783. http://dx.doi.org/10.3390/genes15060783.

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Repeated sequences, especially transposable elements (TEs), are known to be abundant in some members of the important invertebrate class Gastropoda. TEs that do not have long terminal repeated sequences (non-LTR TEs) are frequently the most abundant type but have not been well characterised in any gastropod. Despite this, sequences in draft gastropod genomes are often described as non-LTR TEs, but without identification to family type. This study was conducted to characterise non-LTR TEs in neritimorph snails, using genomic skimming surveys of three species and the recently published draft genome of Theodoxus fluviatilis. Multiple families of non-LTR TEs from the I, Jockey, L1, R2 and RTE superfamilies were found, although there were notably few representatives of the first of these, which is nevertheless abundant in other Gastropoda. Phylogenetic analyses of amino acid sequences of the reverse transcriptase domain from the elements ORF2 regions found considerable interspersion of representatives of the four neritimorph taxa within non-LTR families and sub-families. In contrast, phylogenetic analyses of sequences from the elements’ ORF1 region resolved the representatives from individual species as monophyletic. However, using either region, members of the two species of the Neritidae were closely related, suggesting their potential for investigation of phyletic evolution at the family level.

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20

Nützel, Alexander, Jan Ove Ebbestad, Barbara Seuss, Axel Munnecke, Royal H. Mapes, and Alex G. Cook. "On Paleozoic platycerate gastropods." Zitteliana 97 (December 12, 2023): 29–51. https://doi.org/10.3897/zitteliana.97.115688.

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The platycerate gastropods <i>Orthonychia yutaroi</i> Ebbestad, sp. nov. (Ordovician, Boda Limestone, Sweden), <i>O. enorme</i> (Silurian, Sweden, Gotland), <i>O. parva</i> (Pennsylvanian, Finis Shale Member, USA), and <i>Orthonychia</i> sp. (Mississippian, Imo Formation, USA) are studied including their protoconch morphology. <i>Orthonychia yutaroi</i> is the oldest known species in <i>Orthonychia</i>. Platycerates contain species with both, openly and tightly coiled protoconchs. This is the first report that tightly coiled protoconchs occur in <i>Orthonychia</i>. This and previously published observations blur the diagnostic difference between orders Cyrtoneritimorpha (openly coiled protoconch) and Cycloneritimorpha (tightly coiled protoconch). We suggest to treat Cyrtoneritimorpha and Cycloneritimorpha as synonyms of Neritimorpha. The monotypic Devonian genus <i>Pragoserpulina</i> is morphological so close to the <i>Orthonychia</i> species reported herein that synonymy of both genera seems to be possible (and thus of the families Pragoserpulinidae and Orthonychiidae). Protoconch morphology and dimensions suggest that the studied platycerate species had planktotrophic larval development. By contrast, two studied Carboniferous euomphaloid species (one with an openly and the other with tightly coiled protoconch) have paucispiral, large protoconchs indicating non-planktotrophic larval development. We assume that openly and tightly coiled protoconchs were present in various Paleozoic gastropod clades and that selection acted against the openly coiled protoconch morphology. It has previously been proposed that increasing predation pressure in the plankton was the reason for the demise of openly coiled protoconchs (Paleozoic plankton revolution). The presence of larval planktotrophy in platycerates excludes the possibility that they belong to extant basal gastropod clades such as Patellogastropoda, Cocculiniformia, and Vetigastropoda. However, a previously proposed close relationship to Neritimorpha is corroborated.

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21

Fukumori, Hiroaki, Hajime Itoh, and Yasunori Kano. "The complete mitochondrial genome of the stream snail Clithon retropictus (Neritimorpha: Neritidae)." Mitochondrial DNA Part B 1, no. 1 (2016): 820–21. http://dx.doi.org/10.1080/23802359.2016.1247659.

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22

Blanco, Juan Felipe, Silvana Tamayo, and Frederick N. Scatena. "Variación fenotípica de la concha en Neritinidae (Gastropoda: Neritimorpha) en ríos de Puerto Rico." Revista de Biología Tropical 62 (April 1, 2014): 52. http://dx.doi.org/10.15517/rbt.v62i0.15778.

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23

KANO, Y. "Diversity and distributions of the submarine-cave Neritiliidae in the Indo-Pacific (Gastropoda: Neritimorpha)." Organisms Diversity & Evolution 8, no. 1 (2008): 22–43. http://dx.doi.org/10.1016/j.ode.2006.09.003.

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24

Nurinsiyah, Ayu Savitri. "LIST OF LAND SNAILS IN JAVA AND SEVERAL ADJACENT ISLANDS." TREUBIA 48, no. 2 (2021): 153–70. http://dx.doi.org/10.14203/treubia.v48i2.4270.

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The malacofauna of Java has been most studied among the Indonesian islands, but the list of land snails in the area remains outdated. This study presents an updated check list of land snails in Java and its adjacent islands. This list is a compilation data from field work in Java conducted in 2013-2016, records from various museums in Europe and Indonesia, collections from private collectors, data from citizen sciences, and literatures. In total, 263 land snail species were recorded in Java and its adjacent islands. The number comprises of 36 families i.e. Subclass Neritimorpha (2 families), Caenogastropoda (6 families), and Heterobranchia (28 families). About 40% are species endemic to Java and among them have restricted distribution to certain areas. In addition, 5% or 13 introduced species were recorded in Java.

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25

Khalik, Mohd Zacaery, Kasper Hendriks, Jaap J. Vermeulen, and Menno Schilthuizen. "A molecular and conchological dissection of the “scaly” Georissa of Malaysian Borneo (Gastropoda, Neritimorpha, Hydrocenidae)." ZooKeys 773 (July 9, 2018): 1–55. http://dx.doi.org/10.3897/zookeys.773.24878.

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The Bornean hydrocenids have so far been understudied compared to other non-pulmonate snails in this region. In the present study, we review a first group of minute land snail species belonging to the genusGeorissa(Gastropoda, Hydrocenidae) from Malaysian Borneo. This group is restricted to the species with conspicuous scale-like sculpture on the shell. Based on materials from recent fieldwork, museums, and personal collections, Malaysian Borneo hydrocenids are more complex and diverse in shell characters than previously anticipated. Here, a molecular, conchological, and biogeographic study of this “scaly group” is presented. We recognise 13 species of which six are new to science, namelyGeorissaanyiensissp. n.,Georissamuluensissp. n.,Georissabauensissp. n.,Georissasilaburensissp. n.,Georissakinabatanganensissp. n., andGeorissasepulutensissp. n.

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Castro, Lyda R., and D. J. Colgan. "The phylogenetic position of Neritimorpha based on the mitochondrial genome of Nerita melanotragus (Mollusca: Gastropoda)." Molecular Phylogenetics and Evolution 57, no. 2 (2010): 918–23. http://dx.doi.org/10.1016/j.ympev.2010.08.030.

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27

RICHLING, IRA. "Clarification of the identity of Helicina mediana Gassies, 1870 from New Caledonia (Gastropoda, Neritimorpha, Helicinidae)." Zootaxa 4247, no. 1 (2017): 65. http://dx.doi.org/10.11646/zootaxa.4247.1.8.

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The identity of Helicina mediana Gassies, 1870 was clarified by the study of the type material and the selection of a lectotype. It is currently classified as Sturanya mediana (Gassies, 1870) and replaces the temporarily applied name Sturanya novaecaledoniae (Baird, 1873) for the medium sized helicinid species widely spread in the north-eastern part of mainland New Caledonia and the adjacent Îles Belep. The latter name and Helicina nehoueensis Hartman 1889 are synonyms of S. mediana.

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Yahagi, Takuya, Hiroaki Fukumori, Anders Warén, and Yasunori Kano. "Population connectivity of hydrothermal-vent limpets along the northern Mid-Atlantic Ridge (Gastropoda: Neritimorpha: Phenacolepadidae)." Journal of the Marine Biological Association of the United Kingdom 99, no. 1 (2017): 179–85. http://dx.doi.org/10.1017/s0025315417001898.

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The red-blooded limpet ‘Shinkailepas’briandi(Neritimorpha: Phenacolepadidae) is one of the commonest gastropod species at deep-sea hydrothermal vents on the Mid-Atlantic Ridge (MAR). We investigated its population connectivity along MAR as the first such study for gastropods and explored the importance of larval migration for the distribution of vent-endemic animals. Our analyses, based on 1.3-kbp DNA sequences from the mitochondrial COI gene, showed a panmictic population throughout its geographic and bathymetric ranges that span from the northernmost and shallowest Menez Gwen vent field (38°N; 814–831 m depth) to the southernmost and deepest Ashadze field (13°N; 4090 m). Early development of this species is presumed to have a long pelagic duration as a planktotrophic larva; the hatchling with a shell diameter of 170–180 μm attains a constant settlement size of 706 ± 8 μm (mean ± SD). Retention of eye pigmentation in newly settled juveniles, along with the genetic panmixia, suggests that the hatched larva of ‘S.’briandimigrates vertically to the surface water, presumably to take advantage of richer food supplies and stronger currents for dispersal, as has been shown for confamilial species at hydrothermal vents and cold methane seeps.

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Khalik, Mohd Zacaery, Kasper Hendriks, Jaap J. Vermeulen, and Menno Schilthuizen. "A molecular and conchological dissection of the "scaly" Georissa of Malaysian Borneo (Gastropoda, Neritimorpha, Hydrocenidae)." ZooKeys 773 (July 9, 2018): 1–55. https://doi.org/10.3897/zookeys.773.24878.

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The Bornean hydrocenids have so far been understudied compared to other non-pulmonate snails in this region. In the present study, we review a first group of minute land snail species belonging to the genus Georissa (Gastropoda, Hydrocenidae) from Malaysian Borneo. This group is restricted to the species with conspicuous scale-like sculpture on the shell. Based on materials from recent fieldwork, museums, and personal collections, Malaysian Borneo hydrocenids are more complex and diverse in shell characters than previously anticipated. Here, a molecular, conchological, and biogeographic study of this "scaly group" is presented. We recognise 13 species of which six are new to science, namely Georissa anyiensis sp. n., Georissa muluensis sp. n., Georissa bauensis sp. n., Georissa silaburensis sp. n., Georissa kinabatanganensis sp. n., and Georissa sepulutensis sp. n.

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Vortsepneva, Elena, David G. Herbert, and Yuri Kantor. "The rhipidoglossan radula: Radular morphology and formation in Nerita litterata Gmelin, 1791 (Neritimorpha, Neritidae)." Journal of Morphology 283, no. 3 (2022): 363–73. http://dx.doi.org/10.1002/jmor.21448.

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Yahagi, Takuya, Andrew David Thaler, Cindy Lee Van Dover, and Yasunori Kano. "Population connectivity of the hydrothermal-vent limpet Shinkailepas tollmanni in the Southwest Pacific (Gastropoda: Neritimorpha: Phenacolepadidae)." PLOS ONE 15, no. 9 (2020): e0239784. http://dx.doi.org/10.1371/journal.pone.0239784.

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Fukumori, Hiroaki, Hajime Itoh, Nobuyoshi Nakajima, and Yasunori Kano. "The mitochondrial genome and phylogenetic position of a marine snail Nerita (Heminerita) japonica (Gastropoda: Neritimorpha: Neritidae)." Mitochondrial DNA Part B 5, no. 3 (2020): 3579–81. http://dx.doi.org/10.1080/23802359.2020.1829136.

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Bandel, Klaus. "The new family Cortinellidae (Gastropoda, Mollusca) connected to a review of the evolutionary history of the subclass Neritimorpha." Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 217, no. 1 (2000): 111–29. http://dx.doi.org/10.1127/njgpa/217/2000/111.

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Lestari, Dian Fita, Fatimatuzzahra Fatimatuzzahra, and Syukriah Syukriah. "Jenis-Jenis Gastropoda di Zona Intertidal Pantai Indrayanti Yogyakarta." Journal of Science and Applicative Technology 5, no. 1 (2021): 187. http://dx.doi.org/10.35472/jsat.v5i1.301.

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Gunung Kidul is one of the districts in Yogyakarta that has a long coastline with coral substrate and white sand. One of the beaches with coral and rocky substrates is Indrayanti Beach. The rocky substrate provides unique characteristics for the life of marine organisms in the intertidal zone. Gastropods is one of the seven classes in the Mollusc phylum. Gastropods are found mostly in the sea and fresh water, especially in the intertidal zone of beach. The aim of this study is to identify gastropods that found in the Indrayanti intertidal zone and classifying each species. The method of this study is observation and sampling techniques with accidental sampling at low tide. Data analysis is descriptive based on morphological characteristics of each species. Based on the results of this study, there are 5 sub-classes, 9 orders, 2 Superfamily, 21 families, 35 genera and 72 species. Sub-classes found are heterobranchia, caenogastropods, neritimorpha, vestigastropods, and patelogastropods. The highest number of species found in the caenogastropod subclass was 32 species (44% of the total species) which were dominated by the order of neogastropod.

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Sutcharit, Chirasak, Phanara Thach, Samol Chhuoy, et al. "Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda)." ZooKeys 948 (July 13, 2020): 1–46. http://dx.doi.org/10.3897/zookeys.948.51671.

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Prior to this study, few collections and records were made of the land snails in Cambodia and the historical taxa had never been reviewed. Herein a report on the land snail diversity based on specimens collected recently from karstic and non-karstic areas in southern Cambodia is provided. This checklist presents 36 species of land snails (two Neritimorpha, six Caenogastropoda, and 28 Heterobranchia). Illustrations and brief taxonomic notes/remarks are provided for every species. We also described Georrisa carinata Sutcharit &amp; Jirapatrasilp, sp. nov. based on some distinct shell morphological characters. Since the first descriptions during the colonial period in the nineteenth century, some land snail species (e.g., Trichochloritis norodomiana, Durgella russeola, Anceyoconcha siamensis obesulacomb. nov., Anceyoconcha chaudoensiscomb. nov., and Succinea tenuis) have not been reported subsequently. This probably reflects a lack of knowledge concerning land snail biodiversity in this country. To our knowledge, this is the first comprehensive survey of land snails in southern Cambodia. A need for more field research and systematic revision of the land snails in this interesting region is also highlighted and demonstrated.

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Scheel, Carolin, Stanislav N. Gorb, Matthias Glaubrecht, and Wencke Krings. "Not just scratching the surface: distinct radular motion patterns in Mollusca." Biology Open 9, no. 10 (2020): bio055699. http://dx.doi.org/10.1242/bio.055699.

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ABSTRACTThe radula is the organ for mechanical food processing and an important autapomorphy of Mollusca. Its chitinous membrane, embedding small radular teeth, is moved by the set of muscles resulting in an interaction with the ingesta, tearing it and collecting loosened particles. Radulae and their teeth can be quite distinct in their morphology and had been of high research interest, but only a few studies have examined the basic functional principles of this organ, the movement and motion during feeding action. Here, the radular motion of 20 representative species, belonging to four major gastropod lineages (Vetigastropoda, Neritimorpha, Caenogastropoda and Heterobranchia) and Polyplacophora, were recorded and classified. Comparisons of the video footage with the scanning electron microscope (SEM) images of the radula resulted in the recognition of functional tooth rows and the correct position of the teeth during feeding. We identified six different types of radular movements, including rotations and bending of the radula itself. In each movement type, different structures act as counter bearings enabling the animals to grab and tear food.

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Sutcharit, Chirasak, Phanara Thach, Samol Chhuoy, et al. "Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda)." ZooKeys 948 (July 13, 2020): 1–46. https://doi.org/10.3897/zookeys.948.51671.

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Prior to this study, few collections and records were made of the land snails in Cambodia and the historical taxa had never been reviewed. Herein a report on the land snail diversity based on specimens collected recently from karstic and non-karstic areas in southern Cambodia is provided. This checklist presents 36 species of land snails (two Neritimorpha, six Caenogastropoda, and 28 Heterobranchia). Illustrations and brief taxonomic notes/remarks are provided for every species. We also described Georrisa carinata Sutcharit & Jirapatrasilp, sp. nov. based on some distinct shell morphological characters. Since the first descriptions during the colonial period in the nineteenth century, some land snail species (e.g., Trichochloritis norodomiana, Durgella russeola, Anceyoconcha siamensis obesula comb. nov., Anceyoconcha chaudoensis comb. nov., and Succinea tenuis) have not been reported subsequently. This probably reflects a lack of knowledge concerning land snail biodiversity in this country. To our knowledge, this is the first comprehensive survey of land snails in southern Cambodia. A need for more field research and systematic revision of the land snails in this interesting region is also highlighted and demonstrated.

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Barroso, Cristiane Xerez, Cristina de Almeida Rocha-Barreira, and Helena Matthews-Cascon. "NERITIDAE (GASTROPODA, NERITIMORPHA) FROM THE MALACOLOGICAL COLLECTION PROF. HENRY RAMOS MATTHEWS OF THE UNIVERSIDADE FEDERAL DO CEARÁ, BRAZIL." Arquivos de Ciências do Mar 54, no. 2 (2021): 59–68. http://dx.doi.org/10.32360/acmar.v54i2.62441.

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The basic information obtained from scientific collections help us to understanding of Earth’s diverse biota and its biological processes. The Malacological Collection Prof. Henry Ramos Matthews (CMPHRM) of the Universidade Federal do Ceará (UFC), Brazil, is a reference about the biodiversity, mainly marine, of northeastern Brazil. In this collection, the gastropod molluscs of the family Neritidae were among the most representative in number of lots. Since an accurate geographical distribution knowledge is one of the fundamental factors to the study of biodiversity, the present study aimed to describe the composition and spatially analyse the neritids deposited in the CMPHRM/UFC. There is a total of 314 lots of the Neritidae deposited at CMPHRM, belonging to eight species (Nerita chamaeleon, Nerita chlorostoma, Nerita fulgurans, Nerita tessellata, Neritina virginea, Neritina meleagris, Neritina zebra, and Smaragdia viridis). The Malacological Collection Prof. Henry Ramos Matthews of the Universidade Federal do Ceará has representatives of all species of Neritidae recorded in the Brazilian Province, which are important for confirming previous records or establishing new occurrence records. Keywords: Neritina, Nerita, Smaragdia, Brazilian Province

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Khalik, Mohd Zacaery, Esra Bozkurt, and Menno Schilthuizen. "Morphological parallelism of sympatric cave‐dwelling microsnails of the genus Georissa at Mount Silabur, Borneo (Gastropoda, Neritimorpha, Hydrocenidae)." Journal of Zoological Systematics and Evolutionary Research 58, no. 3 (2019): 648–61. http://dx.doi.org/10.1111/jzs.12352.

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SYMONDS, MALCOLM FRANCIS, and JEAN-MICHEL PACAUD. "New species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France." Zootaxa 2606, no. 1 (2010): 55. http://dx.doi.org/10.11646/zootaxa.2606.1.4.

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Five gastropod taxa of the family Neritidae in the Ypresian and Bartonian (Eocene) of the Paris and Basse-Loire Basins, are introduced: Cuisenerita gen. nov., Tomostoma angusta sp. nov., Nerita gouetensis sp. nov., Clithon barbei sp. nov., Neritodryas guillioui sp. nov. and Cuisenerita tuberosa sp. nov. New combinations introduced are: Neritodryas dutemplei (Deshayes, 1864) and Neritodryas globosa (J. de C. Sowerby, 1823). This is the earliest record of Neritodryas and the first record for this genus from Europe.

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Arquez, Moises, Donald Colgan, and Lyda R. Castro. "Sequence and comparison of mitochondrial genomes in the genus Nerita (Gastropoda: Neritimorpha: Neritidae) and phylogenetic considerations among gastropods." Marine Genomics 15 (June 2014): 45–54. http://dx.doi.org/10.1016/j.margen.2014.04.007.

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Kiel, Steffen, Klaus Bandel, and María del Carmen Perrilliat. "New gastropods from the Maastrichtian of the Mexcala Formation in Guerrero, southern Mexico, part II: Archaeogastropoda, Neritimorpha and Heterostropha." Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 226, no. 3 (2002): 319–42. http://dx.doi.org/10.1127/njgpa/226/2002/319.

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Zapata, Felipe, Nerida G. Wilson, Mark Howison, et al. "Phylogenomic analyses of deep gastropod relationships reject Orthogastropoda." Proceedings of the Royal Society B: Biological Sciences 281, no. 1794 (2014): 20141739. http://dx.doi.org/10.1098/rspb.2014.1739.

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Gastropods are a highly diverse clade of molluscs that includes many familiar animals, such as limpets, snails, slugs and sea slugs. It is one of the most abundant groups of animals in the sea and the only molluscan lineage that has successfully colonized land. Yet the relationships among and within its constituent clades have remained in flux for over a century of morphological, anatomical and molecular study. Here, we re-evaluate gastropod phylogenetic relationships by collecting new transcriptome data for 40 species and analysing them in combination with publicly available genomes and transcriptomes. Our datasets include all five main gastropod clades: Patellogastropoda, Vetigastropoda, Neritimorpha, Caenogastropoda and Heterobranchia. We use two different methods to assign orthology, subsample each of these matrices into three increasingly dense subsets, and analyse all six of these supermatrices with two different models of molecular evolution. All 12 analyses yield the same unrooted network connecting the five major gastropod lineages. This reduces deep gastropod phylogeny to three alternative rooting hypotheses. These results reject the prevalent hypothesis of gastropod phylogeny, Orthogastropoda. Our dated tree is congruent with a possible end-Permian recovery of some gastropod clades, namely Caenogastropoda and some Heterobranchia subclades.

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Khalik, Mohd Zacaery, Kasper P. Hendriks, Jaap J. Vermeulen, and Menno Schilthuizen. "Conchological and molecular analysis of the “non-scaly” Bornean Georissa with descriptions of three new species (Gastropoda, Neritimorpha, Hydrocenidae)." ZooKeys 840 (April 17, 2019): 35–86. http://dx.doi.org/10.3897/zookeys.840.33326.

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The Bornean representatives of the genus Georissa (Hydrocenidae) have small, dextral, conical, calcareous shells consisting of ca. three teleoconch whorls. Our recent study on the Georissa of Malaysian Borneo has revealed high intra- and inter-specific variation in the “scaly” group (a group of species with striking scale-like surface sculpture). The present study on the “non-scaly” Georissa is the continuation of the species revision for the genus. The “non-scaly” species are also diverse in shell sculptures. This informal group comprises Georissa with subtle spiral and/or radial sculpture. The combination of detailed conchological assessment and molecular analyses provides clear distinctions for each of the species. Conchological, molecular, and biogeographic details are presented for 16 species of “non-scaly” Georissa. Three of these are new to science, namely Georissacorrugatasp. n., Georissainsulaesp. n., and Georissatrusmadisp. n.

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Quintero-Galvis, Julian F., Korina Ocampo-Zuleta, Lyda R. Castro, and Juan Carlos Narváez-Barandica. "Limited population genetic structure in the littoral gastropod Nerita tessellata (Neritimorpha, Neritidae) suggests high dispersal across the Caribbean Sea." Journal of Experimental Marine Biology and Ecology 568 (November 2023): 151942. http://dx.doi.org/10.1016/j.jembe.2023.151942.

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Khalik, Mohd Zacaery, Kasper P. Hendriks, Jaap J. Vermeulen, and Menno Schilthuizen. "Conchological and molecular analysis of the "non-scaly" Bornean Georissa with descriptions of three new species (Gastropoda, Neritimorpha, Hydrocenidae)." ZooKeys 840 (April 17, 2019): 35–86. https://doi.org/10.3897/zookeys.840.33326.

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The Bornean representatives of the genus Georissa (Hydrocenidae) have small, dextral, conical, calcareous shells consisting of ca. three teleoconch whorls. Our recent study on the Georissa of Malaysian Borneo has revealed high intra- and inter-specific variation in the "scaly" group (a group of species with striking scale-like surface sculpture). The present study on the "non-scaly" Georissa is the continuation of the species revision for the genus. The "non-scaly" species are also diverse in shell sculptures. This informal group comprises Georissa with subtle spiral and/or radial sculpture. The combination of detailed conchological assessment and molecular analyses provides clear distinctions for each of the species. Conchological, molecular, and biogeographic details are presented for 16 species of "non-scaly" Georissa. Three of these are new to science, namely Georissa corrugata sp. n., Georissa insulae sp. n., and Georissa trusmadi sp. n.

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Davis, Andrew, Matthew Rees, Bindiya Rashni, and Alison Haynes. "Are Spine-Bearing Freshwater Gastropods Better Defended?" Ecologies 1, no. 1 (2020): 3–13. http://dx.doi.org/10.3390/ecologies1010002.

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Freshwater snails usually possess thin unadorned shells lacking structural components such as spines. Exceptions can be found on the high, well-watered islands of the South Pacific. Streams on these islands support a rich freshwater molluscan fauna with several nerite taxa (Neritimorpha: Neritidae) exhibiting extremely long dorsal spines. We sought to assess the defensive capacity of these structures for several co-occurring nerite genera on the Island of Ovalau, Fiji. Our overarching hypothesis was that spines confer a defensive advantage. We tested four predictions for eight common taxa: (i) predator “rich” habitats (the creek entrance) would be dominated by spine-bearing nerites, (ii) spine-bearing species should be smaller in size, (iii) nerites with spines would exhibit lower levels of shell damage and (iv) nerites with spines should invest less in their shells (i.e., their shells should be thinner). Most of these predictions received support. Spine-bearing species dominated the entrance to the creek and were smaller in size. Levels of shell damage were low overall, with 2 of the 3 spinose taxa exhibiting no shell damage, as did many of the nonspinose taxa. Finally, shells of spinose species were 25% thicker, demonstrating increased rather than decreased investment. Taken together, these findings suggest that the elaborate spines of Clithon spp. play a defensive role.

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Monari, Stefano, Roberto Gatto, and Mara Valentini. "Vetigastropoda and Neritimorpha from the Lower Bajocian of Luxembourg and palaeobiogeography of Aalenian–Bajocian (Middle Jurassic) gastropods of western Europe." Journal of Systematic Palaeontology 16, no. 6 (2017): 449–92. http://dx.doi.org/10.1080/14772019.2017.1312578.

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Gründel, J., B. Hostettler, and U. Menkveld-Gfeller. "Die Gastropoden aus der Korallenrifffazies der St-Ursanne-Formation (mittleres Oxfordien) des Schweizer Jura. 1. Die Unterklasse Neritimorpha Koken, 1896." Revue de Paléobiologie 35, no. 2 (2016): 491–516. https://doi.org/10.5281/zenodo.269617.

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Vermeulen, Jaap J., and Simon Aiken. "Two land snail species of the Mekong Delta limestone hills (Cambodia, Vietnam): Aulacospira furtiva (Eupulmonata: Vertiginidae) and Georissa carinata (Neritimorpha: Hydrocenidae)." Folia Malacologica 28, no. 3 (2020): 235–41. http://dx.doi.org/10.12657/folmal.028.020.

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