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Journal articles on the topic 'Morphological taxonomy'

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1

Di Camillo, Cristina Gioia, Cinzia Gravili, Doris De Vito, et al. "The importance of applying Standardised Integrative Taxonomy when describing marine benthic organisms and collecting ecological data." Invertebrate Systematics 32, no. 4 (2018): 794. http://dx.doi.org/10.1071/is17067.

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The decline of morphologically based taxonomy is mainly linked to increasing species redundancy, which probably contributed to a worldwide disinterest in taxonomy, and to a reduction of funding for systematic biology and for expertise training. The present trend in the study of biodiversity is integrated taxonomy, which merges morphological and molecular approaches. At the same time, in many cases new molecular techniques have eclipsed the morphological approach. The application of Standardised Integrative Taxonomy, i.e. a rigorous, common method of description based on the integration between
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2

Czechowski, Paul, Laurence Clarke, Alan Cooper, and Mark Stevens. "Ground-truthing Phylotype Assignments for Antarctic Invertebrates." DNA Barcodes 5, no. 1 (2017): 1–13. http://dx.doi.org/10.1515/dna-2017-0001.

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AbstractBiodiversity information from Antarctic terrestrial habitats helps conservation efforts, but the distribution and diversity particularly of microinvertebrates remains poorly understood. Springtails, mites, tardigrades, nematodes and rotifers are difficult to identify using morphological features, hence DNA-based metabarcoding methods are well suited for their study. We compared taxonomy assignments of a high throughput sequencing metabarcoding approach using one ribosomal DNA (18S rDNA) and one mitochondrial DNA (cytochrome c oxidase subunit I - COI) marker with morphological reference
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3

Brannoch, Sydney K., and Gavin J. Svenson. "Leveraging female genitalic characters for generic and species delimitation in Nilomantis Werner, 1907 and Ilomantis Giglio-Tos, 1915 (Mantodea, Nilomantinae)." Insect Systematics & Evolution 47, no. 3 (2016): 209–44. http://dx.doi.org/10.1163/1876312x-47032141.

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Praying mantis species description and higher-level taxonomy has historically relied on external morphological characters, male genitalic characters, and geographic distribution. For the first time, female genitalic characters were used to delimit genus- and species-level boundaries using two genera with a complex taxonomic history,NilomantisWerner, 1907 andIlomantisGiglio-Tos, 1915. We present comprehensive morphological evidence for the validity ofIlomantis, currently a junior synonym ofNilomantisand describe a new species,Ilomantis ginsburgaesp.n. We provide a key to the species ofNilomanti
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4

Mirza, Zeeshan A., Editorial office H. T. Lalremsanga, Harshal Bhosale, et al. "Systematics of Trimeresurus popeiorum Smith, 1937 with a revised molecular phylogeny of Asian pitvipers of the genus Trimeresurus Lacépède, 1804 sensu lato." Evolutionary Systematics 7, no. 1 (2023): 91–104. http://dx.doi.org/10.3897/evolsyst.7.97026.

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The pit viper snake genus Trimeresurus Lacépède, 1804 sensu lato, is a diverse group of nocturnal serpents comprising over 61 species. The genus is morphologically heterogeneous and has been divided into several subgenera. We present an updated phylogeny of Asian pitvipers and propose a revised classification. Additionally, we revise the taxonomy of T. popeiorum Smith, 1937 and propose taxonomic changes with support from molecular and morphological data. We restrict T. popeiorumsensu stricto to northeastern India, Bangladesh, southern China, and northern Myanmar; populations beyond these areas
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Mirza, Zeeshan A., T. Lalremsanga H., Harshal Bhosale, et al. "Systematics of Trimeresurus popeiorum Smith, 1937 with a revised molecular phylogeny of Asian pitvipers of the genus Trimeresurus Lacépède, 1804 sensu lato." Evolutionary Systematics 7 (February 24, 2023): 91–104. https://doi.org/10.3897/evolsyst.7.97026.

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The pit viper snake genus Trimeresurus Lacépède, 1804 sensu lato, is a diverse group of nocturnal serpents comprising over 61 species. The genus is morphologically heterogeneous and has been divided into several subgenera. We present an updated phylogeny of Asian pitvipers and propose a revised classification. Additionally, we revise the taxonomy of T. popeiorum Smith, 1937 and propose taxonomic changes with support from molecular and morphological data. We restrict T. popeiorum sensu stricto to northeastern India, Bangladesh, southern China, and northern Myanmar; populations beyond these area
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6

Zhang, Feng, Daoyuan Yu, Mark I. Stevens, and Yinhuan Ding. "Colouration, chaetotaxy and molecular data provide species-level resolution in a species complex of Dicranocentrus (Collembola : Entomobryidae)." Invertebrate Systematics 32, no. 6 (2018): 1298. http://dx.doi.org/10.1071/is18019.

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Integrative taxonomic approaches are increasingly providing species-level resolution to ‘cryptic’ diversity. In the absence of an integrative taxonomic approach, formal species validation is often lacking because of inadequate morphological diagnoses. Colouration and chaetotaxy are the most commonly used characters in collembolan taxonomy but can cause confusion in species diagnoses because these characters often have large intraspecific variation. Here, we take an integrative approach to the genus Dicranocentrus in China where four species have been previously recognised, but several members
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7

MARTÍNEZ-DOMÍNGUEZ, LILÍ, FERNANDO NICOLALDE-MOREJÓN, FRANCISCO VERGARA-SILVA, and DENNIS W. STEVENSON. "Integrative taxonomy of Mexican cycads: biogeography, morphology and DNA barcoding corroborate a new sympatric species in Ceratozamia (Zamiaceae)." Phytotaxa 268, no. 1 (2016): 25. http://dx.doi.org/10.11646/phytotaxa.268.1.2.

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A new species, from the montane region of Los Tuxtlas (state of Veracruz, Mexico), Ceratozamia subroseophylla, is proposed in accordance with the integrative taxonomy framework and through application of the taxonomic circle rationale. Our identification of this new species is the result of a thorough re-evaluation of four formerly described Ceratozamia species, namely: (1) C. miqueliana, with which it overlaps geographically; (2) C. mexicana; (3) C. robusta, which has also been previously seen as morphologically similar to C. miqueliana; and (4) C. brevifrons, which was at the center of a con
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8

Hurtado, Natali, and Guillermo D'Elía. "Taxonomy of the Genus Gardnerycteris (Chiroptera: Phyllostomidae)." Acta Chiropterologica 20, no. 1 (2018): 99–115. https://doi.org/10.5281/zenodo.13419615.

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(Uploaded by Plazi for the Bat Literature Project) The Neotropical genus Gardnerycteris has been recently erected and described as a result of a morphologically-based phylogenetic analysis of Phyllostominae with emphasis on representatives of Mimon sensu lato. As currently understood Gardnerycteris is formed by two species, G. crenulatum and G. koepckeae. However, it has been hypothesized that G. crenulatum might be a complex of species, from which the form G. c. keenani exhibits the clearest morphological differences from other populations of 'crenulatum'. Species limits and relationships amo
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9

Hurtado, Natali, and Guillermo D'Elía. "Taxonomy of the Genus Gardnerycteris (Chiroptera: Phyllostomidae)." Acta Chiropterologica 20, no. 1 (2018): 99–115. https://doi.org/10.5281/zenodo.13419615.

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(Uploaded by Plazi for the Bat Literature Project) The Neotropical genus Gardnerycteris has been recently erected and described as a result of a morphologically-based phylogenetic analysis of Phyllostominae with emphasis on representatives of Mimon sensu lato. As currently understood Gardnerycteris is formed by two species, G. crenulatum and G. koepckeae. However, it has been hypothesized that G. crenulatum might be a complex of species, from which the form G. c. keenani exhibits the clearest morphological differences from other populations of 'crenulatum'. Species limits and relationships amo
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10

Hurtado, Natali, and Guillermo D'Elía. "Taxonomy of the Genus Gardnerycteris (Chiroptera: Phyllostomidae)." Acta Chiropterologica 20, no. 1 (2018): 99–115. https://doi.org/10.5281/zenodo.13419615.

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(Uploaded by Plazi for the Bat Literature Project) The Neotropical genus Gardnerycteris has been recently erected and described as a result of a morphologically-based phylogenetic analysis of Phyllostominae with emphasis on representatives of Mimon sensu lato. As currently understood Gardnerycteris is formed by two species, G. crenulatum and G. koepckeae. However, it has been hypothesized that G. crenulatum might be a complex of species, from which the form G. c. keenani exhibits the clearest morphological differences from other populations of 'crenulatum'. Species limits and relationships amo
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11

Hurtado, Natali, and Guillermo D'Elía. "Taxonomy of the Genus Gardnerycteris (Chiroptera: Phyllostomidae)." Acta Chiropterologica 20, no. 1 (2018): 99–115. https://doi.org/10.5281/zenodo.13419615.

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(Uploaded by Plazi for the Bat Literature Project) The Neotropical genus Gardnerycteris has been recently erected and described as a result of a morphologically-based phylogenetic analysis of Phyllostominae with emphasis on representatives of Mimon sensu lato. As currently understood Gardnerycteris is formed by two species, G. crenulatum and G. koepckeae. However, it has been hypothesized that G. crenulatum might be a complex of species, from which the form G. c. keenani exhibits the clearest morphological differences from other populations of 'crenulatum'. Species limits and relationships amo
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12

Hurtado, Natali, and Guillermo D'Elía. "Taxonomy of the Genus Gardnerycteris (Chiroptera: Phyllostomidae)." Acta Chiropterologica 20, no. 1 (2018): 99–115. https://doi.org/10.5281/zenodo.13419615.

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(Uploaded by Plazi for the Bat Literature Project) The Neotropical genus Gardnerycteris has been recently erected and described as a result of a morphologically-based phylogenetic analysis of Phyllostominae with emphasis on representatives of Mimon sensu lato. As currently understood Gardnerycteris is formed by two species, G. crenulatum and G. koepckeae. However, it has been hypothesized that G. crenulatum might be a complex of species, from which the form G. c. keenani exhibits the clearest morphological differences from other populations of 'crenulatum'. Species limits and relationships amo
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13

Hurtado, Natali, and Guillermo D'Elía. "Taxonomy of the Genus Gardnerycteris (Chiroptera: Phyllostomidae)." Acta Chiropterologica 20, no. 1 (2018): 99–115. https://doi.org/10.5281/zenodo.13419615.

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(Uploaded by Plazi for the Bat Literature Project) The Neotropical genus Gardnerycteris has been recently erected and described as a result of a morphologically-based phylogenetic analysis of Phyllostominae with emphasis on representatives of Mimon sensu lato. As currently understood Gardnerycteris is formed by two species, G. crenulatum and G. koepckeae. However, it has been hypothesized that G. crenulatum might be a complex of species, from which the form G. c. keenani exhibits the clearest morphological differences from other populations of 'crenulatum'. Species limits and relationships amo
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14

Ott, Tankred, Maximilian Schall, Robert Vogt, and Christoph Oberprieler. "The Warps and Wefts of a Polyploidy Complex: Integrative Species Delimitation of the Diploid Leucanthemum (Compositae, Anthemideae) Representatives." Plants 11, no. 14 (2022): 1878. http://dx.doi.org/10.3390/plants11141878.

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Species delimitation—owing to the paramount role of the species rank in evolutionary, ecological, and nature conservation studies—is an essential contribution of taxonomy to biodiversity research. In an ‘integrative taxonomy’ approach to species delimitation on the diploid level, we searched for evolutionary significant units (the warps and wefts) that gave rise to the polyploid complex of European ox-eye daisies (Leucanthemum; Compositae-Anthemideae). Species discovery and validation methods based on genetic, ecological, geographical, and morphometric datasets were applied to test the current
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15

Abdelhameed, Asmaa, Wafaa Amer, Walaa Hassan, and Ayman Aboellil. "Auto-taxonomy of Brassica tournefortii Gouan. (Brassicaceae) in Egypt." Bangladesh Journal of Plant Taxonomy 27, no. 2 (2020): 233–50. http://dx.doi.org/10.3329/bjpt.v27i2.50664.

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Brassica tournefortii Gouan. (family Brassicaceae) is one of the five species in the Egyptian flora. Its populations showed notable morpho-plasticity with taxonomic debates, which were not yet resolved. The current study was carried out to assess the species morpho-plasticity and its molecular identity based on ISSR. The study was applied to 27 herbarium and fresh populations, representing all the species distribution ranges in Egypt. The taxonomic revision included 70 morphological characters, revealed five distinct Forms (1-5), radical leaf, and fruit provided the major distinguishable trait
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16

Romeiras, Maria M., Lia Ascensão, Maria C. Duarte, Maria A. Diniz, and Maria S. Pais. "Taxonomy of Echium (Boraginaceae) species from Cape Verde Islands." Australian Systematic Botany 21, no. 1 (2008): 26. http://dx.doi.org/10.1071/sb07016.

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The morphological variation of endemic species from the Macaronesian Islands has long attracted attention of many taxonomists. The taxonomy of the endemic Echium L. species (E. hypertropicum Webb, E. stenosiphon Webb and E. vulcanorum A.Chev.) from Cape Verde Islands was revised, on the basis of in situ collected material and on herbarium specimens. Our results revealed that the patterns of morphological variation correspond closely to the geographic localisation of the islands groups, and that habit and floral morphology are important for distinguishing the two southern taxa, E. hypertropicum
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17

Rock, J., F. O. Costa, D. I. Walker, A. W. North, W. F. Hutchinson, and G. R. Carvalho. "DNA barcodes of fish of the Scotia Sea, Antarctica indicate priority groups for taxonomic and systematics focus." Antarctic Science 20, no. 3 (2008): 253–62. http://dx.doi.org/10.1017/s0954102008001120.

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AbstractWe analysed cytochrome oxidase I (COI) barcodes for 35 putative fish species collected in the Scotia Sea, and compared the resultant molecular data with field-based morphological identifications, and additional sequence data obtained from GenBank and the Barcode of Life Data System (BOLD). There was high congruence between morphological and molecular classification, and COI provided effective species-level discrimination for nearly all putative species. No effect of geographic sampling was observed for COI sequence variation. For two families, including the Liparidae and Zoarcidae, for
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18

Keeley, Ernest R., Janet L. Loxterman, Sammy L. Matsaw, Zacharia M. Njoroge, Meredith B. Seiler, and Steven M. Seiler. "Morphological and genetic concordance of cutthroat trout (Oncorhynchus clarkii) diversification from western North America." Canadian Journal of Zoology 99, no. 4 (2021): 235–48. http://dx.doi.org/10.1139/cjz-2020-0106.

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The cutthroat trout (Oncorhynchus clarkii (Richardson, 1836)) is one of the most widely distributed species of freshwater fish in western North America. Occupying a diverse range of habitats, they exhibit significant phenotypic variability that is often recognized by intraspecific taxonomy. Recent molecular phylogenies have described phylogenetic diversification across cutthroat trout populations, but no study has provided a range-wide morphological comparison of taxonomic divisions. In this study, we used linear- and geometric-based morphometrics to determine if phylogenetic and subspecies di
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19

FIŠER, CENE, PETER TRONTELJ, ROMAN LUŠTRIK, and BORIS SKET. "Toward a unified taxonomy of Niphargus (Crustacea: Amphipoda): a review of morphological variability." Zootaxa 2061, no. 1 (2009): 1–22. http://dx.doi.org/10.11646/zootaxa.2061.1.1.

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Niphargus is the largest genus of freshwater amphipods, burdened with problematic and largely incomplete taxonomy. This paper is an overview of the morphological characters relevant for niphargid taxonomy, and is conceived as an early step toward a unified taxonomy in the emerging era of cyber-taxonomy. The core element is a taxonomic on-line revision system based on a continuously updated, peer-reviewed and freely accessible morpho-databases (see for example http:// niphargus.info/) that would provide a source of data necessary for comparisons of taxa, generation of species descriptions, and
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20

Wright, A. D. "Some morphological problems of brachiopod taxonomy." GFF 118, sup004 (1996): 62–63. http://dx.doi.org/10.1080/11035899609546350.

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21

Ohira, Hajime, Shingo Kaneko, Leanne Faulks, and Tadaaki Tsutsumi. "Unexpected species diversity within Japanese Mundochthonius pseudoscorpions (Pseudoscorpiones : Chthoniidae) and the necessity for improved species diagnosis revealed by molecular and morphological examination." Invertebrate Systematics 32, no. 2 (2018): 259. http://dx.doi.org/10.1071/is17036.

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Using the complementary approaches of morphological and molecular taxonomy is essential to further our understanding of invertebrate diversity, including the identification of cryptic species. Although the species classification of a widespread group of arachnids, the pseudoscorpions, has been based on traditional diagnostic characters for a long time, recent taxonomic studies have suggested that some of these are unreliable for distinguishing species. Thus, the application of molecular taxonomy may be particularly useful in this group. Here, we performed molecular phylogenetic analyses and sp
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Dykan, Natalia. "Some theoretical aspects of the systematic study of fossil ostracods (Arthropoda, Crustacea, Ostracoda) in the context of species problems in palaeontology." Novitates Theriologicae, no. 12 (June 16, 2021): 127–39. http://dx.doi.org/10.53452/nt1223.

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Theoretical contributions into the systematics and taxonomy of fossil ostracods conducted according to unified methodological stands have resolved some key problems of paleontology. For example, this is a problem of species and its derivatives, namely the identification of species, the estimation of the taxonomic weight of morphological characters, the determination of diagnostic characters of different taxonomic ranks, and taxa diagnoses. The unification of the terminology and the formalization of morphological description of fossil shells made it possible to estimate the taxonomic weight of
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23

PADHYE, SAMEER M., MIHIR R. KULKARNI, MARCO PAGNI, and NICOLAS RABET. "New leptestherid clam shrimps (Pancrustacea: Branchiopoda: Spinicaudata: Leptestheriidae) from peninsular India." Zootaxa 5264, no. 2 (2023): 205–20. http://dx.doi.org/10.11646/zootaxa.5264.2.3.

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Spinicaudatan clam shrimps are an evolutionarily ancient lineage restricted to temporary freshwater pools. Use of classical morpho-taxonomic approaches alone have led to some issues in the taxonomy of this group, which are now being resolved through integrative taxonomy. Here, we describe two new leptestherid spiny clam shrimps Leptestheria chalukyae sp. nov. and Leptestheria gomantaki sp. nov. from peninsular India based on their unique morphological characters and distinct phylogenetic position. We also re-describe Leptestheria nobilis and present an overview of the morphological characters
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24

Zong, Zili, Jin Wang, Chao Jiang, and Weichun Li. "Integrative taxonomy reveals two new species of Ligidium (Crustacea, Isopoda, Oniscidea) from China." Zoosystematics and Evolution 101, no. 3 (2025): 1187–95. https://doi.org/10.3897/zse.101.148504.

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Ligidium is the most species-rich genus within the family Ligiidae. In morphological taxonomy, some species are often difficult to identify due to their high morphological similarity. This study evaluates the taxonomic status of nine similar Ligidium species by combining morphological examination with molecular phylogenetic analyses based on two mitochondrial genes (COI, 12S rRNA). Two new species – Ligidium alpinum Li & Jiang, sp. nov. and L. cuspidatum Li & Jiang, sp. nov. – are described from China. Morphological photographs of the new species and three maps showing the geographic d
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Masuda, Shinobu. "Breast cancer pathology: The impact of molecular taxonomy on morphological taxonomy." Pathology International 62, no. 5 (2012): 295–302. http://dx.doi.org/10.1111/j.1440-1827.2012.02790.x.

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Grobys, Daria, Milena Roszkowska, Magdalena Gawlak, et al. "High diversity in the Pseudechiniscus suillus–facettalis complex (Heterotardigrada: Echiniscidae) with remarks on the morphology of the genus Pseudechiniscus." Zoological Journal of the Linnean Society 188, no. 3 (2020): 733–52. http://dx.doi.org/10.1093/zoolinnean/zlz171.

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Abstract Pseudechiniscus is a morphologically homogeneous genus of tardigrades. The morphological features commonly used for species discrimination in this genus are the dorsal sculpture, the shape and number of dorsal plates and trunk appendages. Species of the Pseudechiniscus suillus–facettalis complex are one of the most challenging tardigrades to identify. All species are similar in their general appearance and all lack trunk appendages. Moreover, not only the nominal Pseudechiniscus suillus, but also other members of the suillus–facettalis complex have been insufficiently described. In ou
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Yu, Daoyuan, Chunyan Qin, Yinhuan Ding, Feng Hu, Feng Zhang, and Daoyuan Yu. "Revealing species diversity of Tomocerus ocreatus complex (Collembola: Tomoceridae): integrative species delimitation and evaluation of taxonomic characters." Arthropod Systematics & Phylogeny 76, no. 1 (2018): 147–72. http://dx.doi.org/10.3897/asp.76.e31949.

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Tomocerus ocreatus species complex is among the commonest groups of Tomoceridae in East Asia and mainly distributed in the southern areas of China. Previous multi-locus molecular analyses have proved its monophyly and revealed extensive cryptic diversity within the complex. However, members of the complex are highly similar in traditional characters, thus morphological diagnosis have not been sufficiently developed in line with the molecular species delimitation. To update the taxonomy of the ocreatus complex, we carried out a molecular-morphological integrative study based on a wide-range sur
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Yu, Daoyuan, Chunyan Qin, Yinhuan Ding, Feng Hu, Feng Zhang, and Daoyuan Yu. "Revealing species diversity of Tomocerus ocreatus complex (Collembola: Tomoceridae): integrative species delimitation and evaluation of taxonomic characters." Arthropod Systematics & Phylogeny 76 (April 30, 2018): 147–72. https://doi.org/10.3897/asp.76.e31949.

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Tomocerus ocreatus species complex is among the commonest groups of Tomoceridae in East Asia and mainly distributed in the southern areas of China. Previous multi-locus molecular analyses have proved its monophyly and revealed extensive cryptic diversity within the complex. However, members of the complex are highly similar in traditional characters, thus morphological diagnosis have not been sufficiently developed in line with the molecular species delimitation. To update the taxonomy of the ocreatus complex, we carried out a molecular-morphological integrative study based on a wide-range sur
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Pardo-Diaz, Carolina, Alejandro Lopera Toro, Sergio Andrés Peña Tovar, Rodrigo Sarmiento-Garcés, Melissa Sanchez Herrera, and Camilo Salazar. "Taxonomic reassessment of the genus Dichotomius (Coleoptera: Scarabaeinae) through integrative taxonomy." PeerJ 7 (August 5, 2019): e7332. http://dx.doi.org/10.7717/peerj.7332.

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Dung beetles of the subfamily Scarabaeinae are widely recognised as important providers of multiple ecosystem services and are currently experiencing revisions that have improved our understanding of higher-level relationships in the subfamily. However, the study of phylogenetic relationships at the level of genus or species is still lagging behind. In this study we investigated the New World beetle genus Dichotomius, one of the richest within the New World Scarabaeinae, using the most comprehensive molecular and morphological dataset for the genus to date (in terms of number of species and in
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Győrössy, Dorottya, Vuong Tan Tu, Gábor Csorba, et al. "The grey zone of taxonomy—The case of the Sikkim Myotis (Chiroptera: Vespertilionidae: Myotis sicarius), first recorded from Southeast Asia." Vertebrate Zoology 74 (December 17, 2024): 737–49. https://doi.org/10.3897/vz.74.e127269.

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Abstract In taxonomic works, the weight to be given to morphological, mitochondrial, or nuclear signals, and the assessment of differences as species or subspecies distinctions has also varied considerably over the past decades and is largely a subjective research decision. This apparent example of the “grey zone of taxonomy” underpins the need of critical studies of as many specimens as possible and of using both mitochondrial and nuclear genes in taxonomic-systematic studies, as phylogeny based on uniparentally inherited genes alone may not represent true evolutionary scenarios. Myotis sicar
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AGUIRRE-SANTORO, JULIÁN. "Taxonomic revision of the Caribbean-endemic species of Wittmackia (Bromeliaceae)." Phytotaxa 336, no. 2 (2018): 101. http://dx.doi.org/10.11646/phytotaxa.336.2.1.

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A taxonomic revision of the 17 Caribbean-endemic species of Wittmackia (Bromeliaceae) is presented. This group is a monophyletic lineage previously circumscribed as Hohenbergia subg. Wittmackiopsis but later transferred to Wittmackia based on phylogenetic and morphological evidence. This taxonomic treatment includes a complete overview of the morphological variation of the species, their geographical distribution and habitat, and notes on their ecology and conservation. A taxonomic key for the identification of the species is provided. Finally, complete descriptions with comments on the taxono
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CHANG, Shu–Fen, Yung–Fu YEN, Jer–Way CHANG, Ikuo MIYAJIMA, and Kuang–Liang HUANG. "Morphological Taxonomy of Musa Genotypes in Taiwan." Journal of the Faculty of Agriculture, Kyushu University 63, no. 1 (2018): 27–35. http://dx.doi.org/10.5109/1909899.

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33

Hong, Wan Pyo, and Byoung Un Oh. "Taxonomy of Korean Impatiens 1 - Morphological study." Korean Journal of Plant Taxonomy 23, no. 4 (1993): 243–61. http://dx.doi.org/10.11110/kjpt.1993.23.4.243.

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Luc, Michel, Marcelo E. Doucet, Renaud Fortuner, Pablo Castillo, Wilfrieda Decraemer, and Paola Lax. "Usefulness of morphological data for the study of nematode biodiversity." Nematology 12, no. 4 (2010): 495–504. http://dx.doi.org/10.1163/138855410x508697.

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Abstract Public interest in biodiversity has never been so high, but the necessary inventory of existing species is hindered by the scarcity of taxonomists able to characterise and describe new species (α-taxonomy). This situation is particularly worrisome in nematology where only a small fraction of the estimated 105 to 108 existing species has been described and where experienced taxonomists are fast disappearing while the few that are still active find it increasingly difficult to publish morphological descriptions and to get financial support for biodiversity studies. The present disregard
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35

Győrössy, Dorottya, Vuong Tan Tu, Gábor Csorba, et al. "The grey zone of taxonomy—The case of the Sikkim Myotis (Chiroptera: Vespertilionidae: Myotis sicarius), first recorded from Southeast Asia." Vertebrate Zoology 74 (December 17, 2024): 737–49. https://doi.org/10.3897/vz.74.e127269.

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Abstract In taxonomic works, the weight to be given to morphological, mitochondrial, or nuclear signals, and the assessment of differences as species or subspecies distinctions has also varied considerably over the past decades and is largely a subjective research decision. This apparent example of the "grey zone of taxonomy" underpins the need of critical studies of as many specimens as possible and of using both mitochondrial and nuclear genes in taxonomic-systematic studies, as phylogeny based on uniparentally inherited genes alone may not represent true evolutionary scenarios. <i>Myotis si
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Liu, Jing, Huixin Xu, Ziqing Wang, et al. "Phylogenetics, Molecular Species Delimitation and Geometric Morphometrics of All Reddish-Brown Species in the Genus Neotriplax Lewis, 1887 (Coleoptera: Erotylidae: Tritomini)." Insects 15, no. 7 (2024): 508. http://dx.doi.org/10.3390/insects15070508.

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To date, five species of reddish-brown Neotriplax have been described, but their highly similar body color and other phenotypic traits make accurate taxonomy challenging. To clarify species-level taxonomy and validate potential new species, the cytochrome oxidase subunit I (COI) was used for phylogenetic analysis and the geometric morphometrics of elytron, pronotum, and hind wing were employed to distinguish all reddish-brown Neotriplax species. Phylogenetic results using maximum likelihood and Bayesian analyses of COI sequences aligned well with the current taxonomy of the Neotriplax species
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ZHAO, MING-ZHI, CARSTEN ZORN, and WEI-XIN LIU. "Exploring the Anomala fuscosignata-complex: discovery of two new species from southern China (Coleoptera: Scarabaeidae: Rutelinae)." Zootaxa 5528, no. 1 (2024): 283–99. http://dx.doi.org/10.11646/zootaxa.5528.1.20.

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An investigation towards taxonomy of the Anomala fuscosignata-complex from southern China and northern Vietnam was conducted through direct morphological comparison and molecular phylogenetic analysis, which results in discovery of two new species: A. nanlingensis Zhao, Zorn &amp; Liu, sp. nov. and A. zhengyucheni Zhao, Zorn &amp; Liu, sp. nov. The morphological differences in female genitalia and low genetic divergence as well as their taxonomic implications within Anomalini are discussed.
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Mohsenzadeh, Saeed, Masoud Sheidai, and Fahimeh Koohdar. "Species relationships of genus Plantago L.(Plantaginaceae) based on molecular and morphological evidence." Genetika 52, no. 1 (2020): 323–34. http://dx.doi.org/10.2298/gensr2001323m.

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The genus Plantago L. is a cosmopolitan genus with more than 200 species and has the greatest dispersal rate in tropical and subtropical regions. The taxonomy of the genus Plantago is controversial at the section and subgenus levels. Therefore, we attempt to determine the relationships among 20 species of this genus for the first time in Iran using both morphological and molecular data. ISSR marker and morphological characteristics were used to examine relationships among different species and compare the results with different classifications. The molecular study of Plantago species showed th
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Koren, Anamarija, Vladimir Sikora, Biljana Kiprovski, et al. "Controversial taxonomy of hemp." Genetika 52, no. 1 (2020): 1–13. http://dx.doi.org/10.2298/gensr2001001k.

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Hemp (Cannabis sativa L.) was one of the earliest domesticated plant species. Biological classification (taxonomy or systematization) manifests evolutional relationships between taxons according to trait similarities. When it comes to taxonomy, hemp is one of the most controversial plant species due to significant effects of environmental conditions on hemp phenology and expression of quantitative traits as well as different levels of gender expression observed in hemp plants. Controversial taxonomy of hemp has gone through several phases throughout history. The attitude on the number of speci
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40

Ith, Saveng, Sara Bumrungsri, Neil M. Furey, et al. "Taxonomic implications of geographical variation in Rhinolophus affinis (Chiroptera: Rhinolophidae) in mainland Southeast Asia." Zoological Studies 54, no. 1 (2015): 31. https://doi.org/10.5281/zenodo.13422374.

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(Uploaded by Plazi for the Bat Literature Project) Background: Rhinolophus affinis sensu lato is distributed throughout Southeast Asia. The taxonomic status of forms attributed to the species is unclear due to the limited sample size with incomplete datasets and the taxa have high variation in morphology and echolocation call frequency. The aim of the study was to evaluate the distribution and taxonomic status of the subspecific forms of R. affinis in mainland Southeast Asia using large sample size with multiple datasets, including morphological, acoustic, and genetic data, both to elucidate t
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Ith, Saveng, Sara Bumrungsri, Neil M. Furey, et al. "Taxonomic implications of geographical variation in Rhinolophus affinis (Chiroptera: Rhinolophidae) in mainland Southeast Asia." Zoological Studies 54, no. 1 (2015): 31. https://doi.org/10.5281/zenodo.13422374.

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(Uploaded by Plazi for the Bat Literature Project) Background: Rhinolophus affinis sensu lato is distributed throughout Southeast Asia. The taxonomic status of forms attributed to the species is unclear due to the limited sample size with incomplete datasets and the taxa have high variation in morphology and echolocation call frequency. The aim of the study was to evaluate the distribution and taxonomic status of the subspecific forms of R. affinis in mainland Southeast Asia using large sample size with multiple datasets, including morphological, acoustic, and genetic data, both to elucidate t
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42

Ith, Saveng, Sara Bumrungsri, Neil M. Furey, et al. "Taxonomic implications of geographical variation in Rhinolophus affinis (Chiroptera: Rhinolophidae) in mainland Southeast Asia." Zoological Studies 54, no. 1 (2015): 31. https://doi.org/10.5281/zenodo.13422374.

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Abstract:
(Uploaded by Plazi for the Bat Literature Project) Background: Rhinolophus affinis sensu lato is distributed throughout Southeast Asia. The taxonomic status of forms attributed to the species is unclear due to the limited sample size with incomplete datasets and the taxa have high variation in morphology and echolocation call frequency. The aim of the study was to evaluate the distribution and taxonomic status of the subspecific forms of R. affinis in mainland Southeast Asia using large sample size with multiple datasets, including morphological, acoustic, and genetic data, both to elucidate t
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43

Ith, Saveng, Sara Bumrungsri, Neil M. Furey, et al. "Taxonomic implications of geographical variation in Rhinolophus affinis (Chiroptera: Rhinolophidae) in mainland Southeast Asia." Zoological Studies 54, no. 1 (2015): 31. https://doi.org/10.5281/zenodo.13422374.

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Abstract:
(Uploaded by Plazi for the Bat Literature Project) Background: Rhinolophus affinis sensu lato is distributed throughout Southeast Asia. The taxonomic status of forms attributed to the species is unclear due to the limited sample size with incomplete datasets and the taxa have high variation in morphology and echolocation call frequency. The aim of the study was to evaluate the distribution and taxonomic status of the subspecific forms of R. affinis in mainland Southeast Asia using large sample size with multiple datasets, including morphological, acoustic, and genetic data, both to elucidate t
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44

Ith, Saveng, Sara Bumrungsri, Neil M. Furey, et al. "Taxonomic implications of geographical variation in Rhinolophus affinis (Chiroptera: Rhinolophidae) in mainland Southeast Asia." Zoological Studies 54, no. 1 (2015): 31. https://doi.org/10.5281/zenodo.13422374.

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Abstract:
(Uploaded by Plazi for the Bat Literature Project) Background: Rhinolophus affinis sensu lato is distributed throughout Southeast Asia. The taxonomic status of forms attributed to the species is unclear due to the limited sample size with incomplete datasets and the taxa have high variation in morphology and echolocation call frequency. The aim of the study was to evaluate the distribution and taxonomic status of the subspecific forms of R. affinis in mainland Southeast Asia using large sample size with multiple datasets, including morphological, acoustic, and genetic data, both to elucidate t
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45

Ith, Saveng, Sara Bumrungsri, Neil M. Furey, et al. "Taxonomic implications of geographical variation in Rhinolophus affinis (Chiroptera: Rhinolophidae) in mainland Southeast Asia." Zoological Studies 54, no. 1 (2015): 31. https://doi.org/10.5281/zenodo.13422374.

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Abstract:
(Uploaded by Plazi for the Bat Literature Project) Background: Rhinolophus affinis sensu lato is distributed throughout Southeast Asia. The taxonomic status of forms attributed to the species is unclear due to the limited sample size with incomplete datasets and the taxa have high variation in morphology and echolocation call frequency. The aim of the study was to evaluate the distribution and taxonomic status of the subspecific forms of R. affinis in mainland Southeast Asia using large sample size with multiple datasets, including morphological, acoustic, and genetic data, both to elucidate t
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46

Smith, M. Alex, Brian L. Fisher, and Paul D. N. Hebert. "DNA barcoding for effective biodiversity assessment of a hyperdiverse arthropod group: the ants of Madagascar." Philosophical Transactions of the Royal Society B: Biological Sciences 360, no. 1462 (2005): 1825–34. http://dx.doi.org/10.1098/rstb.2005.1714.

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The role of DNA barcoding as a tool to accelerate the inventory and analysis of diversity for hyperdiverse arthropods is tested using ants in Madagascar. We demonstrate how DNA barcoding helps address the failure of current inventory methods to rapidly respond to pressing biodiversity needs, specifically in the assessment of richness and turnover across landscapes with hyperdiverse taxa. In a comparison of inventories at four localities in northern Madagascar, patterns of richness were not significantly different when richness was determined using morphological taxonomy (morphospecies) or sequ
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HURRAH, IMTIYAZ A., APARNA R. SHUKLA, and VIJAY V. WAGH. "Occurrence of Geranium mascatense (Geraniaceae) in India and the speculations about its global distribution." Phytotaxa 598, no. 3 (2023): 206–18. http://dx.doi.org/10.11646/phytotaxa.598.3.2.

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The delimitation and taxonomic status of Geranium mascatense Boiss. in India has not merely been in a state of flux, but also experience distributional inconsistency both at national and global level. The study aims at highlighting an extension to the global distribution range of this species and at resolving the chaos that exists about its taxonomy and distribution in India. The results are validated through detailed description, illustrations, digital photographs, macro and micro-morphological characters, comparison with allied species, taxonomic key, notes on taxonomy and distribution map o
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48

Hoekstra, Rendert D., Seth D. Musker, Michael D. Pirie, and Jan H. J. Vlok. "An integrative approach to alpha taxonomy in Erica L. (Ericaceae) with three new species from the Western Cape, South Africa." PhytoKeys 257 (June 4, 2025): 95–117. https://doi.org/10.3897/phytokeys.257.139457.

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The megagenus Erica L. (Ericaceae) comprises 851 species across its global distribution, with an extraordinary focus of diversity in the Cape Floristic Region (CFR) of South Africa where almost 700 species are endemic. The genus is remarkable for both its morphological diversity and the large number of species and subspecific taxa occurring in small populations, often in specialised habitats, putting them at high risk of extinction. Despite significant taxonomic work over the past century, part of this diversity remains undescribed. The sheer size of the genus, its morphological, ecological an
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49

Hoekstra, Rendert D., Seth D. Musker, Michael D. Pirie, and Jan H. J. Vlok. "An integrative approach to alpha taxonomy in Erica L. (Ericaceae) with three new species from the Western Cape, South Africa." PhytoKeys 257 (June 4, 2025): 95–117. https://doi.org/10.3897/phytokeys.257.139457.

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The megagenus <i>Erica</i> L. (Ericaceae) comprises 851 species across its global distribution, with an extraordinary focus of diversity in the Cape Floristic Region (CFR) of South Africa where almost 700 species are endemic. The genus is remarkable for both its morphological diversity and the large number of species and subspecific taxa occurring in small populations, often in specialised habitats, putting them at high risk of extinction. Despite significant taxonomic work over the past century, part of this diversity remains undescribed. The sheer size of the genus, its morphological, ecolog
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Liu, Benwen, Qiumei Lan, Qingyu Dai, Huan Zhu, and Guoxiang Liu. "Morphology and Molecular Phylogeny of the Genus Stigeoclonium (Chaetophorales, Chlorophyta) from China, Including Descriptions of the Pseudostigeoclonium gen. nov." Plants 13, no. 5 (2024): 748. http://dx.doi.org/10.3390/plants13050748.

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Stigeoclonium is a genus of green algae that is widely distributed in freshwater habitats around the world. The genus comprises species with variously developed prostrates and erect systems of uniseriate branched filaments and grows attached to a wide range of different surfaces. It holds significant promise for applications in water quality indicators, sewage treatment, and the development of high-value-added products. Nevertheless, our comprehension of Stigeoclonium remains unclear and perplexing, particularly regarding its fundamental systematic taxonomy. Recent molecular analyses have reve
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