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1

Mones, Alvaro. "Nomen dubium vs. nomen vanum." Journal of Vertebrate Paleontology 9, no. 2 (1989): 232–34. http://dx.doi.org/10.1080/02724634.1989.10011757.

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2

Fukushima, Caroline Sayuri, and Rogério Bertani. "Taxonomic revision and cladistic analysis of Avicularia Lamarck, 1818 (Araneae, Theraphosidae, Aviculariinae) with description of three new aviculariine genera01." ZooKeys 659 (March 2, 2017): 1–185. https://doi.org/10.3897/zookeys.659.10717.

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The genus Avicularia Lamarck, 1818 is revised and all species are rediagnosed. The type species, described as Aranea avicularia Linnaeus, 1758, is the oldest mygalomorph species described and its taxonomic history is extensive and confusing. Cladistic analyses using both equal and implied weights were carried out with a matrix of 46 taxa from seven theraphosid subfamilies, and 71 morphological and ecological characters. The optimal cladogram found with Piwe and concavity = 6 suggests Avicularia and Aviculariinae are monophyletic. Subfamily Aviculariinae includes Avicularia Lamarck, 1818, Typho
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3

Sullivan, Robert M. "Glyptosaurus? obtusidens Is a Nomen Dubium." Journal of Herpetology 20, no. 1 (1986): 96. http://dx.doi.org/10.2307/1564135.

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4

Modesto, S. P. "Noteosaurus africanusBroom is a nomen dubium." Journal of Vertebrate Paleontology 16, no. 1 (1996): 172–74. http://dx.doi.org/10.1080/02724634.1996.10011296.

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5

Prószyński, Jerzy, Jørgen Lissner, and Michael Schäfer. "TAXONOMIC SURVEY OF THE GENERA EUOPHRYS, PSEUDEUOPHRYS AND TALAVERA, WITH DESCRIPTION OF EUOCHIN GEN. N. (ARANEAE: SALTICIDAE) AND WITH PROPOSALS OF A NEW RESEARCH PROTOCOL." Ecologica Montenegrina 18 (July 4, 2018): 26–74. http://dx.doi.org/10.37828/em.2018.18.4.

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The paper presents comparison of main diagnostic characters of all recognizable species of genera Euophrys C.L. Koch, 1834, Pseudeuophrys Dahl, 1912 and Talavera Peckham & Peckham, 1909, also delimiting new genus Euochin from China. All that purports to illustrate the current state of classification suggests progress and improvements. Discussed postulates include adding color macrophotograps of live specimens to the routine tools of research, and routine use of precisely documented palps and internal structures of epigyne. Implementation of the above will require change of research protoco
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6

DE GRAVE, SAMMY, and ARTHUR ANKER. "Designation of Synalpheus pectiniger Coutiere, 1907 as a nomen protectum and its senior synonym Alpheus praecox Herrick, 1888 as a nomen oblitum (Crustacea, Decapoda, Alpheidae)." Zootaxa 2642, no. 1 (2010): 53. http://dx.doi.org/10.11646/zootaxa.2642.1.5.

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Alpheus praecox Herrick, 1888, previously regarded as nomen nudum, nomen dubium or a possible senior synonym of Synalpheus brevicarpus (Herrick, 1891), is shown to be a senior synonym of Synalpheus pectiniger Coutière, 1909. However, because A. praecox has not been used as a valid name since 1899, whereas S. pectiniger on the other hand appeared as valid species in at least 29 publications signed by numerous authors, A. praecox is herewith designated nomen oblitum, with S. pectiniger becoming nomen protectum.
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7

Smith, Wm Leo, and John S. Sparks. "Gobius lagocephalus: The world’s most widespread nomen dubium." Molecular Phylogenetics and Evolution 43, no. 2 (2007): 696–98. http://dx.doi.org/10.1016/j.ympev.2006.09.007.

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8

Csuzdi, Csaba, Tímea Szederjesi, and Emma Sherlock. "Remarks on the new earthworm taxa described by Aladesida and Owa in 2015 from Nigeria (Clitellata: Megadrili)." Opuscula Zoologica (Budapest) 51, no. 1 (2020): 87–93. https://doi.org/10.18348/opzool.2020.1.87.

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The earthworm fauna of tropical Africa is clearly understudied. This is mainly due to the lack of local earthworm researchers. Nigeria is an exception in this regard with an excellent earthworm researcher A.O. Segun and his successor S.O. Owa describing some 30 earthworm species belonging to the family Eudrilidae. Recently, Aladesida & Ova (2015) published descriptions of four new earthworm genera and species; Adodrilus stephana (Megascolecidae), Ekitidrilus alabataensis, Paranematogenia eyinwaensis (Ocnerodrilidae), and Imekodrilus hexagastricus (Moniligastridae). Examining the type mater
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9

Caleb, John T.D. "The Indian net-casting spider name Deinopis goalparaensis Tikader & Malhotra is a nomen dubium (Araneae: Deinopidae)." Zootaxa 4668, no. 1 (2019): 148–50. https://doi.org/10.11646/zootaxa.4668.1.12.

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Caleb, John T.D. (2019): The Indian net-casting spider name Deinopis goalparaensis Tikader & Malhotra is a nomen dubium (Araneae: Deinopidae). Zootaxa 4668 (1): 148-150, DOI: 10.11646/zootaxa.4668.1.12
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10

Sherwood, Danniella. "Aphonopelma braunshausenii Tesmoingt, 1996 is a nomen dubium, with review of some historic morphological characters ineffective at species delineation (Araneae: Theraphosidae)." Zootaxa 4657, no. 3 (2019): 573–80. https://doi.org/10.11646/zootaxa.4657.3.9.

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Sherwood, Danniella (2019): Aphonopelma braunshausenii Tesmoingt, 1996 is a nomen dubium, with review of some historic morphological characters ineffective at species delineation (Araneae: Theraphosidae). Zootaxa 4657 (3): 573-580, DOI: 10.11646/zootaxa.4657.3.9
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11

Stuke, Jens-Hermann. "A second European Axysta species (Diptera: Ephydridae)." Acta Zoologica Academiae Scientiarum Hungaricae 68, no. 2 (2022): 159–68. http://dx.doi.org/10.17109/azh.68.2.159.2022.

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Axysta clausseni spec. nov. is described from Finland and Germany. All available names of European Axysta are discussed and Hydrina viridula Robineau-Desvoidy, 1830 is placed as nomen dubium in the genus Hyadina (status rev.).
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12

DAVID, B. VASANTHARAJ, and M. MANJUNATHA. "A new species of Aleurocanthus Quaintance & Baker (Homoptera: Aleyrodidae) from Areca catechu in India, with comments on the status of Aleurodes nubilans Buckton." Zootaxa 173, no. 1 (2003): 1. http://dx.doi.org/10.11646/zootaxa.173.1.1.

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A new species of whitefly, Aleurocanthus arecae sp. nov., collected from arecanut (Areca catechu) in Karnataka state in India, is described and illustrated. The status of Aleurodes nubilans Buckton is discussed and considered a nomen dubium.
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13

Tshudy, Dale, and Tin-Yam Chan. "Taxonomic note: the fossil clawed lobster, Metanephrops elongatus Hu & Tao, 2000 (Nephropidae), is a nomen dubium but definitely not a Metanephrops." Zootaxa 3760, no. 3 (2014): 494–96. https://doi.org/10.11646/zootaxa.3760.3.17.

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Tshudy, Dale, Chan, Tin-Yam (2014): Taxonomic note: the fossil clawed lobster, Metanephrops elongatus Hu & Tao, 2000 (Nephropidae), is a nomen dubium but definitely not a Metanephrops. Zootaxa 3760 (3): 494-496, DOI: 10.11646/zootaxa.3760.3.17
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14

ZHANG, ZHI-QIANG. "Taxonomic status of Veithia Oudemans, 1941 and redescriptions of two species described by Oudemans (Acari: Smarididae)." Zootaxa 145, no. 1 (2003): 1. http://dx.doi.org/10.11646/zootaxa.145.1.1.

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Veithia Oudemans, 1941, previously considered nomen dubium, is revisited and confirmed a junior synonym of Fessonia Heyden, 1826. Fessonia schneideri (Oudemans, 1941) comb. nov. and Fessonia assmuthi (Oudemans, 1941) comb. nov. are redescribed from type specimens and compared with related species.
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15

Luna, Manuel De, and Piter Kehoma Boll. "An annotated checklist of terrestrial flatworms (Platyhelminthes: Tricladida: Geoplanidae) from Mexico, with new records of invasive species from a citizen science platform and a new nomen dubium." Zootaxa 5297, no. 4 (2023): 518–32. https://doi.org/10.11646/zootaxa.5297.4.3.

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Luna, Manuel De, Boll, Piter Kehoma (2023): An annotated checklist of terrestrial flatworms (Platyhelminthes: Tricladida: Geoplanidae) from Mexico, with new records of invasive species from a citizen science platform and a new nomen dubium. Zootaxa 5297 (4): 518-532, DOI: 10.11646/zootaxa.5297.4.3, URL: http://dx.doi.org/10.11646/zootaxa.5297.4.3
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16

Pal, Amartya, Jerzy A. Lis, Swetapadma Dash, Abhisekh Subba, and David A. Rider. "A new combination in Coridius Illiger, 1807 (Hemiptera: Pentatomoidea: Dinidoridae), rediscovery of the type specimen and solving of a nomen dubium." Zootaxa 5618, no. 2 (2025): 289–94. https://doi.org/10.11646/zootaxa.5618.2.9.

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Pal, Amartya, Lis, Jerzy A., Dash, Swetapadma, Subba, Abhisekh, Rider, David A. (2025): A new combination in Coridius Illiger, 1807 (Hemiptera: Pentatomoidea: Dinidoridae), rediscovery of the type specimen and solving of a nomen dubium. Zootaxa 5618 (2): 289-294, DOI: 10.11646/zootaxa.5618.2.9, URL: https://doi.org/10.11646/zootaxa.5618.2.9
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17

SOUZA-DIAS, PEDRO G. B., ROBERTA M. VALENTE, MÁRCIO P. BOLFARINI, and GUSTAVO R. S. RUIZ. "On the Amazonian cricket Phalangopsis Serville, 1831 (Orthoptera: Grylloidea: Phalangopsidae): biology, morphology, and a new species." Zootaxa 5194, no. 4 (2022): 540–60. http://dx.doi.org/10.11646/zootaxa.5194.4.4.

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Phalangopsis mimbypysara n. sp. is described from specimens collected in natural cavities in the region of Altamira and Vitória do Xingu, state of Pará, Brazil. Phalangopsis gaudichaudi Saussure, 1874 is considered nomen dubium. We provide new data about biology, distribution, habitat selection, morphology, and natural history of the genus Phalangopsis.
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18

Meunier, Louise M. V., and Hans C. E. Larsson. "Trematochampsa taqueti as a nomen dubium and the crocodyliform diversity of the Upper Cretaceous In Beceten Formation of Niger." Zoological Journal of the Linnean Society 182, no. 3 (2018): 659–80. https://doi.org/10.1093/zoolinnean/zlx061.

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Meunier, Louise M V, Larsson, Hans C E (2018): Trematochampsa taqueti as a nomen dubium and the crocodyliform diversity of the Upper Cretaceous In Beceten Formation of Niger. Zoological Journal of the Linnean Society 182 (3): 659-680, DOI: 10.1093/zoolinnean/zlx061, URL: https://academic.oup.com/zoolinnean/article/182/3/659/4566016
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19

PIOVESAN, MÔNICA, ELTON ORLANDIN, OLAF HERMANN HENDRIK MIELKE, and MIRNA MARTINS CASAGRANDE. "Revalidation of Yphthimoides inornata (Hayward, 1962 (Lepidoptera: Nymphalidae: Satyrinae: Satyrini: Euptychiina) based on morphological and molecular data with description of the immature stages." Zootaxa 5116, no. 4 (2022): 550–62. http://dx.doi.org/10.11646/zootaxa.5116.4.4.

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Yphthimoides inornata (Hayward, 1962) stat. rev., currently regarded as a nomen dubium and synonym of Yphthimoides yphthima (C. Felder & R. Felder, 1867) has its status revalidated based on morphological characters and the DNA barcode. Images of the male and female, including their genitalia, information on the distribution, habitat, and immature stages are provided.
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20

Anderson, Kris. "Taxonomic Revision of Genus Oligonyx Saussure, 1869 (Mantodea: Thespidae: Thespinae: Thespini)." Soothsayer: Journal of Mantodea Research 6, no. 1 (2025): 3–38. https://doi.org/10.5281/zenodo.15333469.

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<strong>Abstract. </strong>Taxonomic revision of the genus Oligonyx Saussure, 1869. Four new species are proposed, including armentari n. sp. from Hispaniola, chactas n. sp. from Cozumel Island, and nebulosus n. sp. and undulicoxa n. sp. from Honduras. Additionally, dohrnianus Saussure &amp; Zehntner, 1894 and gryps Saussure &amp; Zehntner, 1894 are rendered nomen dubium.
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21

SHERWOOD, DANNIELLA. "Aphonopelma braunshausenii Tesmoingt, 1996 is a nomen dubium, with review of some historic morphological characters ineffective at species delineation (Araneae: Theraphosidae)." Zootaxa 4657, no. 3 (2019): 573–80. http://dx.doi.org/10.11646/zootaxa.4657.3.9.

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Aphonopelma braunshausenii Tesmoingt, 1996 is regarded as a nomen dubium due to the lack of a deposited holotype, an inadequate description which gives no stable taxonomic features to differentiate it from any other species and the absence of an exact type locality. The instability of some morphological characters which were given weight for species delineation in many earlier works is discussed and illustrated.
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22

Brodo, Fenja. "Prionocera revisited (Diptera: Tipulidae)." Canadian Entomologist 144, no. 1 (2012): 182–85. http://dx.doi.org/10.4039/tce.2012.15.

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AbstractThe synonymy of Prionocera chosenicola Alexander with Prionocera tjederi Mannheims is discussed and the following syn. nov. is proposed: Prionocera mannheimsi Savchenko = Prionocera byersi Brodo. Prionocera parrii (Kirby) remains a nomen dubium. Significant range extensions are noted for Prionocera dimidiata (Loew), Prionocera ominosa (Alexander), Prionocera oregonica Alexander, Prionocera pubescens Loew, Prionocera ringdahli Tjeder, Prionocera serricornis (Zetterstedt), Prionocera subserricornis (Zetterstedt), and Prionocera turcica (Fabricius).
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23

BURCKHARDT, DANIEL, and DAVID OUVRARD. "A revised classification of the jumping plant-lice (Hemiptera: Psylloidea)." Zootaxa 3509, no. 1 (2012): 1. http://dx.doi.org/10.11646/zootaxa.3509.1.1.

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A revised classification for the world jumping plant-lice (Hemiptera: Psylloidea) is presented comprising all published family and genus-group names. The new classification consists of eight families: Aphalaridae, Carsidaridae, Calophyidae, Homotomidae, Liviidae, Phacopteronidae, Psyllidae and Triozidae. The Aphalaridae, Liviidae and Psyllidae are redefined, 20 family-group names as well as 28 genus-group names are synonymised, and one replacement name is proposed [Sureaca nomen nov., for Acaerus Loginova, 1976]. Forty two new species combinations are proposed resulting from new genus-group sy
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24

Fleck, Günther, Günter Bechly, André Nel, and Xavier Martínez-Delclòs. "Revision and phylogenetic affinities of the Jurassic Steleopteridae Handlirsch, 1906 (Odonata: Zygoptera)." Insect Systematics & Evolution 32, no. 3 (2001): 285–305. http://dx.doi.org/10.1163/187631201x00227.

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AbstractThe Jurassic odonate family Steleopteridae is revised. Two new genera and species Parasteleopteron guischardi and Euparasteleopteron viohli are described. The phylogenetic affinities of this group are discussed. The Steleopteridae are excluded from the Epiproctophora and transferred into the Zygoptera (stemgroup). Euphaeopsis multinervis is redescribed and transferred to Epiproctophora: Isophlebioidea, and the genus Pseudoeuphaea with its four species is considered as a nomen dubium in Odonata incertae sedis.
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25

Houart, Roland. "Description of a new muricopsine species (Gastropoda: Muricidae) from the Southwestern Indian Ocean." Iberus 21(2) (December 31, 2003): 91–98. https://doi.org/10.5281/zenodo.4516177.

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<em>Favartia marianae </em>n. sp. is described from Zululand, South Africa with range extension to South Mozambique. It is compared with <em>Favartia maculata </em>(Reeve, 1845), <em>F. cecalupoi </em>Bozzetti, 1993, <em>F. jeanae </em>Bertsch and D&rsquo;Attilio, 1980, and <em>F. conleyi </em>Houart, 1999. <em>Murex mundus </em>Reeve, 1849 is here proposed as a <em>nomen dubium</em>.
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26

Delmas, Sylvain. "Examination of the Scythrididae in the Bruand d’Uzelle collection: faunistic and taxonomic implications for the genus Scythris (Lepidoptera, Scythrididae)." Nota Lepidopterologica 39, no. (2) (2016): 151–67. https://doi.org/10.3897/nl.39.9267.

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A review was made of the Scythrididae in the Bruand collection. This led to certain faunistic and taxonomic changes for Bruand’s taxa. Scythris subcinctella (Bruand, 1851), stat. rev., valid spec., has priority over Scythris crassiuscula (Herrich-Schäffer, 1855). Several synonymies are established: Scythris curtulella (Bruand, 1851), nomen dubium, is possibly conspecific with Scythris limbella (Fabricius, 1775); Scythris crassiuscula (Herrich-Schäffer, 1855), syn. nov. (= Scythris subcinctella (Bruand, 1851)); Scythris subaureicinctella (Bruand, 1856), syn. nov., emendation (= Scythris subcinc
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27

Anderson, Kris. "Taxonomic Revision of Genus Gonatista Saussure, 1869 (Mantodea: Epaphroditidae: Gonatistinae)." Soothsayer: Journal of Mantodea Research 6, no. 1 (2025): 39–69. https://doi.org/10.5281/zenodo.15333487.

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<strong>Abstract. </strong>Taxonomic revision of the genus Gonatista Saussure, 1869. One new species is described, quisqueyana n. sp. from Hispaniola. Gonatista borinquensis nom. nov. is proposed for the misapplied Mantis reticulata Thunberg, 1815. Gonatista bifasciata (de Haan, 1842) is reinstated with cubensis Saussure, 1869 as a junior synonym. Mantis grisea Fabricius, 1793 is rendered nomen dubium, and Mantis reticulata Thunberg, 1815 is transferred to Tarachodes Burmeister, 1838.
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28

MURÁNYI, DÁVID, MARIBET GAMBOA, and ALEJANDRO VERA. "Lost and found: the Plecoptera types of Blanchard and Mabille, with further contributions to the stoneflies of Chile." Zootaxa 4200, no. 4 (2016): 544. http://dx.doi.org/10.11646/zootaxa.4200.4.6.

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Types of five of the six Plecoptera species described by Émile Blanchard and the holotype of the single stonefly described by Jules François Mabille were discovered in the National Museum Prague, Czech Republic. The identity of P. myrmidon Mabille, 1891 and P. pictetii Blanchard, 1854 are confirmed as Potamoperla myrmidon and Pictetoperla gayi (Pictet, 1841), respectively. Perla virescentipennis Blanchard, 1851 is considered as Diamphipnopsis virescentipennis comb. n., with Diamphipnosis samali Illies, 1960 syn. n. as a junior subjective synonym, and Diamphipnoa chillanae nom. n. is proposed f
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29

Cerretti, Pierfilippo, Davide Badano, Silvia Gisondi, Giuseppe Lo Giudice, and Thomas Pape. "The world woodlouse flies (Diptera, Rhinophoridae)." ZooKeys 903 (January 15, 2020): 1–130. http://dx.doi.org/10.3897/zookeys.903.37775.

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The world Rhinophoridae are catalogued, recognising 33 genera and 177 species. Nomenclatural information is provided for all genus-group and species-group names, including lists of synonyms and name-bearing type data. Species distributions are recorded by country. A key to the world genera is presented. Four new genera are erected to accommodate five new species, which do not fit within any of the current generic concepts in Rhinophoridae, according to the results of a morphology-based phylogenetic analysis: Marshallicona Cerretti &amp;amp; Pape with type species Marshallicona quitu Cerretti &
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30

Cerretti, Pierfilippo, Davide Badano, Silvia Gisondi, Giudice Giuseppe Lo, and Thomas Pape. "The world woodlouse flies (Diptera, Rhinophoridae)." ZooKeys 903 (January 15, 2020): 1–130. https://doi.org/10.3897/zookeys.903.37775.

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The world Rhinophoridae are catalogued, recognising 33 genera and 177 species. Nomenclatural information is provided for all genus-group and species-group names, including lists of synonyms and name-bearing type data. Species distributions are recorded by country. A key to the world genera is presented. Four new genera are erected to accommodate five new species, which do not fit within any of the current generic concepts in Rhinophoridae, according to the results of a morphology-based phylogenetic analysis: Marshallicona Cerretti &amp; Pape with type species Marshallicona quitu Cerretti &amp;
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31

CADENA-CASTAÑEDA, OSCAR J., CARLOS JULIO ARANGO DÍAZ, DANIELA SANTOS MARTINS SILVA, OSCAR BUITRAGO, ALEXANDER GARCÍA GARCÍA, and JOSEF TUMBRINCK. "Review of the status of the genus Phelene stat. resurr. (Orthoptera: Tetrigidae: Lophotettiginae) and description of a new species." Zootaxa 4980, no. 2 (2021): 355–65. http://dx.doi.org/10.11646/zootaxa.4980.2.6.

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The status of the genus Phelene stat. resurr., previously synonymized under Chiriquia is revalidated. The genus is redescribed and Phelene turgida stat. rev. a lectotype and paralectotypes are designated for this species. Tetrix laticeps is proposed as nomen dubium and its described a new additional species Phelene maroon n. sp. The diagnosis of the subfamily is adjusted with the characters of the new taxa included and an updated key of genera and species is provided.
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32

Smith, Adam Stuart. "The back-to-front plesiosaur Cryptoclidus (Apractocleidus) aldingeri from the Kimmeridgian of Milne Land, Greenland." Bulletin of the Geological Society of Denmark 55 (January 10, 2007): 1–7. http://dx.doi.org/10.37570/bgsd-2007-55-01.

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In 1935, von Huene identified the partial skeleton of a fossil reptile from the Kimmeridgian of Milne Land, Greenland, as part of a plesiosaur. This specimen was used as the holotype of Cryptoclidus (Apractoclidus) aldingeri, but was interpreted erroneously. The specimen is here reinterpreted and described as the pectoral region and posterior portion of the neck. The specimen is not diagnostic past the level of family, and is regarded as Cryptoclididae indet – the species aldingeri thereforebecomes a nomen dubium.
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33

MWABVU, TAROMBERA, MICHELLE HAMER, ROBERT SLOTOW, and DAVID BARRACLOUGH. "A review of the taxonomy and distribution of Plagiotaphrus Attems 1914 (Diplopoda, Spirostreptida, Spirostreptidae)." Zootaxa 2304, no. 1 (2009): 51–60. http://dx.doi.org/10.11646/zootaxa.2304.1.4.

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Plagiotaphrus is a monophyletic genus which formerly included three species, P. sulcifer Attems 1914 (the type species), P. improvisus (Attems 1934) and P. longius Attems 1928. Plagiotaphrus longius is a nomen dubium and is here excluded from the genus. A key to the species based on gonopod morphology is also presented. The distribution of Plagiotaphrus is disjunct. Given that several localities in Africa have not been surveyed it is likely that Plagiotaphrus species occur in more localities.
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34

Eriksson, Mats. "Taxonomic discussion of the scolecodont genera Nereidavus Grinnell, 1877, and Protarabellites Stauffer, 1933 (Annelida: Polychaeta)." Journal of Paleontology 73, no. 3 (1999): 403–6. http://dx.doi.org/10.1017/s002233600002792x.

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The scolecodont genera Nereidavus Grinnell, 1877, and Protarabellites Stauffer, 1933, have been used for several different fossil polychaete taxa over the years. Nereidavus is here considered a nomen dubium, as the holotype of the type species is lost and the original information is insufficient for identification. Protarabellites is reevaluated and constitutes, besides Ramphoprion, a second genus in the family Ramphoprionidae. The “paratype” of N. varians (named Ramphoprion sp. in this paper), and the holotype of P. humilis are redescribed.
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35

VIVALLO, FELIPE. "Lectotype designations, taxonomic notes and new synonymies in some species of the bee genus Centris Fabricius, 1804 described by Amédée Lepeletier de Saint-Fargeau (Hymenoptera: Apidae)." Zootaxa 4624, no. 1 (2019): 23–40. http://dx.doi.org/10.11646/zootaxa.4624.1.2.

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In this paper the primary types of Centris described by Amédée Lepeletier de Saint-Fargeau in 1841 deposited at Muséum National d’Histoire Naturelle, France and Hope Entomological Collection, Oxford University Museum of Natural History, United Kingdom were studied. To stabilize the application of some names, lectotypes were designated for C. bimaculata, C. collaris, C. decolorata, C. denudans, C. dorsata, C. ferruginea, C. fuscata, C. maculata (= C. decolorata), C. obsoleta, C. picea, C. poecila, C. trigonoides, C. violacea and C. vittata. Centris picea nomen oblitum is withdrawn from the syno
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36

MARLEY, NIGEL J. "A new species of Tardigrada, Platicrista ramsayi sp. nov. from the páramo of Volcán Chiles, Ecuador." Zootaxa 1166, no. 1 (2006): 35. http://dx.doi.org/10.11646/zootaxa.1166.1.3.

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A new species of Eutardigrada, Platicrista ramsayi sp. nov., is described from moss samples collected at high altitude on Volcán Chiles in the Ecuadorian Andes. This species differs from all others previously described in the genus by having only oblique cuticular bars on the first three pairs of legs. Platicrista affine (Mihel…i…, 1951) is formally designated as a nomen dubium. An amendment to the diagnostic characters for Platicrista itaquasconoide is proposed. A key to the species of the genus is presented.
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MOUND, LAURENCE. "Taxonomic confusion among gall-thrips and host-plants, with three newcombinations from the genus Austrothrips (Thysanoptera, Phlaeothripidae)." Zootaxa 4755, no. 3 (2020): 587–92. http://dx.doi.org/10.11646/zootaxa.4755.3.10.

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The genus Austrothrips is considered a nomen dubium because the types are lost and the type species description is uninformative. Austrothrips flavitibia Moulton is transferred to the genus Teuchothrips and Austrothrips vanuaensis Moulton is transferred to the genus Solomonthrips. The gall-inducing Austrothrips cochinchinensis Karny is transferred to Ocnothrips as a senior synonym of the type species, O. indicus. The host of cochinchinensis is recognised as a vine-like shrub, Getonia floribunda, that is widespread between western India and southeast China.
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38

GIROTI, ANDRÉ MARSOLA, and ANTONIO DOMINGOS BRESCOVIT. "The spider genus Segestria Latreille, 1804 in South America (Araneae: Segestriidae)." Zootaxa 3046, no. 1 (2011): 59. http://dx.doi.org/10.11646/zootaxa.3046.1.3.

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The genus Segestria Latreille, 1804 includes 21 species distributed mainly in the Palearctic region. Only two species have been described from South America: Segestria ruficeps Guérin, 1832 (known from Brazil, Uruguay and Argentina) and Segestria pusilla Nicolet, 1849 (known only from Chile). A study of the female genitalia shows that S. ruficeps is a junior synonym of the Paleartcic species Segestria florentina (Rossi 1790), which is redescribed and illustrated. S. pusilla is transferred to the genus Ariadna as a nomen dubium.
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39

Grichanov, Igor Ya. "Discovery of Dytomyia Bickel (Diptera: Dolichopodidae) on the African continent with description of a new peculiar species from Kenya." Israel Journal of Entomology 51 (October 21, 2021): 85–91. https://doi.org/10.5281/zenodo.5589575.

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A new species of the genus <em>Dytomyia</em> from coastal Kenya is described, and a new identification key to males of Afrotropical species is provided. <em>Dytomyia</em> <em>flavicaudata</em> n. sp. differs from all other species of the genus in the mostly yellow abdomen and entirely yellow hypopygium. The male of <em>D. lutescens</em> (Vanschuytbroeck, 1952) is reliably illustrated for the first time. <em>Sciapus nubilis</em> Parent, 1935 is regarded as a <em>nomen dubium</em>.
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40

Bálint, Zsolt, and Dubi Benyamini. "The identity of the nomen dubium Penaincisalia patagonaevaga Johnson, 1990 (Lepidoptera: Lycaenidae, Polyommatinae)." Opuscula Zoologica 51, no. 2 (2020): 213–17. http://dx.doi.org/10.18348/opzool.2020.2.213.

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41

Bálint, Zsolt, and Dubi Benyamini. "The identity of the nomen dubium Penaincisalia patagonaevaga Johnson, 1990 (Lepidoptera: Lycaenidae, Polyommatinae)." Opuscula Zoologica (Budapest) 51, no. 2 (2020): 213–17. https://doi.org/10.18348/opzool.2020.2.213.

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The holotype of Penaincisalia patagonaevaga Johnson, 1990 (type locality: Argentina, prov, Chubut, 40 km N of Rio Mayo) is a chimeric specimen as it is composed of parts belonging to two different species: the neotropical Penaincisalia penai Johnson, 1990 (forewings, genitalia) and the oriental Orthomiella rantaziana Wileman, 1910 (hindwings) or one of its relatives. For an unambiguous identity the hindwings are excluded from the holotype, resulting the new synonymy P. penai = P. patagonaevaga. The specimen is considered to be mislabelled because the genus Penaincisalia Johnson, 1990 (type spe
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RŮŽIČKA, VLASTIMIL. "A review of the spider genus Iberina (Araneae, Hahniidae)." Zootaxa 5133, no. 4 (2022): 555–66. http://dx.doi.org/10.11646/zootaxa.5133.4.6.

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The spider genus Iberina has been reviewed and an updated description of the genus is presented. A key to the genera of the subfamily Hahniinae and to the species of Iberina is given. The genus Iberina now includes five species. The following new synonymy is proposed: Iberina caeca Georgescu &amp; Sarbu, 1992 = Iberina microphthalma (Snazell &amp; Duffey, 1980) new synonymy. Iberina ljovuschkini Pichka, 1965 is only known from females. It is considered to be a species inquirenda and its name declared a nomen dubium.&#x0D;
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CADENA-CASTAÑEDA, OSCAR J., and JOSÉ MONZÓN-SIERRA. "Studies in Guatemalan Ensifera: New Glaphyrosoma species (Orthoptera: Anostostomatidae) and additional data for other described species." Zootaxa 4242, no. 3 (2017): 548. http://dx.doi.org/10.11646/zootaxa.4242.3.7.

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We describe three new species in the genus Glaphyrosoma: G. magnaproctalis n. sp., G. franciscoasturiasi n. sp. and G. hectorcentenoi n. sp. We provide new data on the distribution of G. karnyi, G. beretka and G. anderi in Guatemala. We propose G. bruneri as nomen dubium and we define the status of specimens recorded as G. gracile in Guatemala and Costa Rica. We also include a species distribution map of this genus with the information available to us up to date and a key to species.
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POETA, MARIA RITA M., and RENATO AUGUSTO TEIXEIRA. "Description of the male of the spider Eustala vellardi Mello-Leitão, 1924,the female of E. delasmata Bryant, 1945 and seven species of Eustala Simon, 1895 declared as nomina dubia (Araneae, Araneidae)." Zootaxa 4273, no. 1 (2017): 112. http://dx.doi.org/10.11646/zootaxa.4273.1.8.

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The male of Eustala vellardi Mello-Leitão, 1924 and the female of E. delasmata Bryant, 1945 are described for the first time and new distribution records are provided. The types of E. tridentata (C.L. Koch, 1838), E. tristis (Blackwall, 1862), E. essequibensis (Hingston, 1932), E. uncicurva Franganillo, 1936, E. nigerrima Mello-Leitão, 1940, and E. albicans (Caporiacco, 1954), are apparently lost, and those names are therefore, considered nomina dubia. Eustala andina Chamberlin, 1916, which is based on an immature female is also considered a nomen dubium.
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45

BRAILOVSKY, HARRY. "The genus Ctenomelynthus (Hemiptera: Heteroptera: Coreidae: Acanthocephalini), with the description of three new species and key to the known species." Zootaxa 4420, no. 4 (2018): 571. http://dx.doi.org/10.11646/zootaxa.4420.4.7.

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The genus Ctenomelynthus Breddin (1903) is redescribed, and three new species: C. sanchezi from French Guiana, and Venezuela, C. urbinus from Brazil, and C. venustulus from Suriname are described. Ctenomelynthus willineri (Kormilev, 1952), is synonymized under C. coxalis Breddin, 1903. One species, C. bridarollii (Kormilev) is designated as a nomen dubium. New distributional records for C. brunneiventris Breddin, C. coxalis Breddin, and C. inermibus (Distant) are included. Dorsal and ventral photographs and parameres of some species are included. A key to the six known species is given.
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46

Bartlett, Charles, and Mick Webb. "The planthopper genus Spartidelphax, a new segregate of Nearctic Delphacodes (Hemiptera, Delphacidae)." ZooKeys 453 (November 10, 2014): 19–36. https://doi.org/10.3897/zookeys.453.8369.

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The new genus Spartidelphax is described to house three species removed from the polyphyletic genus Delphacodes. The members of Spartidelphax are coastal species native to eastern North America, and probably feed exclusively on cordgrass (Poaceae, Spartina Schreb.). The taxonomy and nomenclature of the included species (viz. S. detectus, S. luteivittus, and S. penedetectus) are reviewed. Spartidelphax luteivittus is a nomen dubium, whose type material is inadequate to provide diagnostic features contrasting with S. detectus and S. penedetectus. Diagnoses and a key are provided for the remainin
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47

HARBACH, RALPH E., and RICHARD C. WILKERSON. "The insupportable validity of mosquito subspecies (Diptera: Culicidae) and their exclusion from culicid classification." Zootaxa 5303, no. 1 (2023): 1–184. http://dx.doi.org/10.11646/zootaxa.5303.1.1.

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Beginning about 80 years ago, the recognition of morphological varieties of mosquitoes was gradually replaced by the recognition of subspecies. As an examination of revisionary and detailed taxonomic studies of mosquitoes clearly shows, subspecies are untenable concepts which have been synonymized with nominotypical forms or recognized as distinct species. Thus, from our perspective, subspecies is not a functional or practical taxonomic rank. Consequently, in this study we critically assessed the taxonomic status of the 120 nominal taxa distinguished as subspecies before now to determine wheth
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Ševčíková, Hana, Ekaterina F. Malysheva, Alfredo Justo, Jacob Heilmann-Clausen, and Michal Tomšovský. "Pluteus dianae and P. punctatus resurrected, with first records from eastern and northern Europe." Mycotaxon 135, no. 2 (2020): 245–74. http://dx.doi.org/10.5248/135.245.

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The type specimens of Pluteus dianae and P. punctatus from the Czech Republic were studied morphologically and molecularly. New collections identified by nrITS sequence analyses extend the distribution of P. dianae to Denmark, European Russia, and the Asian part of Turkey and of P. punctatus to Sweden. The application of these names is discussed; both belong in the P. plautus complex, and data on European and North American taxa in this complex are summarised and compared with P. dianae and P. punctatus. Pluteus aestivus is considered a nomen dubium.
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Buffetaut, Eric, and Nathalie Bardet. "The mosasaurid (Squamata) Prognathodon in the Maastrichtian (Late Cretaceous) of the Cotentin Peninsula (Normandy, northwestern France)." Bulletin de la Société Géologique de France 183, no. 2 (2012): 111–15. http://dx.doi.org/10.2113/gssgfbull.183.2.111.

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Abstract Although the presence of mosasaurids in the Late Cretaceous (Maastrichtian) Baculites limestone of the Cotentin peninsula, in the western part of Normandy (France), was reported as early as 1873 by Henri-Emile Sauvage, this occurrence has largely been overlooked by subsequent authors. In this paper we review Sauvage’s original material (an isolated tooth – the type of Mosasaurus platyodon) and describe an additional, hitherto unpublished, tooth crown also from the Baculites Limestone of the Cotentin and refer both to the globidensine mosasaur Prognathodon. Mosasaurus platyodonSauvage,
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DE ARAÚJO, MARCEL SANTOS, ANTONELLA DI PALMA, and REINALDO JOSÉ FAZZIO FERES. "A new species of Opilioacarus With, 1902 (Acari: Opilioacaridae) from Italy, and a new diagnosis of the genus." Zootaxa 4500, no. 1 (2018): 135. http://dx.doi.org/10.11646/zootaxa.4500.1.9.

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No living Opilioacarus species have been described from Europe for more than a century since the first finding and species description in the early twentieth century. Using the material deposited in Museo Civico di Storia Naturale of Verona, Italy, it was possible to identify and describe a new Opilioacarus species and review the genus diagnosis, using the shape of setae d and setation of the preanal segment. The new species is also briefly compared with the other Opilioacarus species; Opilioacarus italicus (With, 1904) is considered a nomen dubium.
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