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Thecostraca
Taxonomy
Thecostraca was named by Gruvel (1905). It is extant.
It was reranked as the class Thecostraca by Chan et al. (2021).
It was assigned to Maxillopoda by Martin and Davis (2001); to Hexanauplia by Oakley et al. (2013) and Lozano-Fernandez et al. (2019); and to Crustacea by Chan et al. (2021).
It was reranked as the class Thecostraca by Chan et al. (2021).
It was assigned to Maxillopoda by Martin and Davis (2001); to Hexanauplia by Oakley et al. (2013) and Lozano-Fernandez et al. (2019); and to Crustacea by Chan et al. (2021).
Subtaxa
Synonymy list
Year | Name and author |
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1905 | Thecostraca Gruvel |
2001 | Thecostraca Martin and Davis p. 58 |
2013 | Thecostraca Oakley et al. |
2019 | Thecostraca Lozano-Fernandez et al. |
2021 | Thecostraca Chan et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Cl. Thecostraca Gruvel 1905
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Subcl. Ascothoracida Lacaze-Duthiers 1880
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Subcl. Cirripedia Rafinesque 1816 [barnacle]
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Infracl. Acrothoracica Gruvel 1905
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Or. Cryptophialida Kolbasov et al. 2009
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Or. Lithoglyptida Kolbasov et al. 2009
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Fm. Lithoglyptidae Aurivillius 1892
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Subfm. Berndtiinae Utinomi 1950
Subfm. Kochlorininae Gruvel 1905
Subfm. Lithoglyptinae Aurivillius 1892
Fm. Trypetesidae Stebbing 1910
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G. Trypetesa Norman 1903
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Invalid names: Alcippe Hancock 1849 [replaced], Alcippoides Strand 1928 [replaced]
Invalid names: Apygophora Berndt 1907 [synonym], Pygophora Berndt 1907 [synonym]
Fm. †Zapfellidae Saint-Seine 1954
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Invalid names: Rodgerellidae Codez and Saint-Seine 1958 [empty]
G. †Bassettina Hodges 1995
Fm. †Ctenaenigmatidae Novojilov 1955
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G. Ilba
G. †Lophobalanus
Infracl. Rhizocephala Müller 1862
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Fm. Chthamalophilidae Bocquet-Vedrine 1961
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Fm. Clistosaccidae Lilljeborg 1861
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Fm. Mycetomorphidae Høeg and Rybakov 1992
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Fm. Peltogastridae Lilleborg 1861
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Fm. Thompsoniidae Høeg and Rybakov 1992
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Invalid names: Akentrogonida Hafele 1911 [invalid subgroup], Kentrogonida Delage 1884 [invalid subgroup]
G. †Schreteriella
Infracl. Thoracica Darwin 1854
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Superor. Phosphatothoracica Gale 2019
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Or. †Eolepadomorpha Chan et al. 2021
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Fm. †Eolepadidae Buckeridge 1983
Fm. †Praelepadidae Chernyshev 1930
Invalid names: Iblomorpha Buckeridge and Newman 2006 [empty]
Superor. Thoracicalcarea Gale 2016
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Or. †Archaeolepadomorpha Chan et al. 2021
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Fm. †Archaeolepadidae Gale 2019
Fm. †Myolepadidae Gale 2015
Fm. †Stramentidae Withers 1920
Or. Calanticomorpha Chan et al. 2021
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Fm. Calanticidae Zevina 1978
Fm. †Cretiscalpellidae Buckeridge 1983
G. †Pachyscalpellum Buckeridge 1991
Fm. †Titanolepadidae Gale 2015
Or. Pollicipomorpha Chan et al. 2021
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Fm. Pollicipedidae Gruvel 1905
Fm. †Zeugmatolepadidae Newman 2004
Invalid names: Lithotryidae Gruvel 1905 [empty]
Or. Scalpellomorpha Newman 1987
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Superfm. Lepadoidea Darwin 1852
Superfm. Neolepadoidea Yamaguchi et al. 2004
Superfm. Scalpelloidea Pilsbry 1907
Unr. Sessilia Lamarck 1818
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Or. Balanomorpha Pilsbry 1916
Or. Verrucomorpha Pilsbry 1916
Invalid names: Brachylepadomorpha Withers 1923 [invalid subgroup]
Invalid names: Unilatera Gale 2019 [empty]
Invalid names: Pedunculata Lamarck 1818 [empty], Scalpelliformes Buckeridge and Newman 2006 [empty]
Invalid names: Ascothoracida Lacaze-Duthiers 1880 [empty], Facetotecta Grygier 1985 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Darriwilian to the top of the Holocene or 467.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 458.4 Ma
Minimum age of oldest fossil (stem group age): 458.4 Ma
Collections (1199 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Darriwilian | United Kingdom (Wales) | Cirripedia indet. (230215) | |
Wenlock | United Kingdom | Rhamphoverritor reduncus (68060) | |
Wenlock - Ludlow | USA (Tennessee) | Cirripedia indet. (26817) | |
Ludfordian - Pridoli | USA (Oklahoma) | Cirripedia indet. (26824) | |
Lochkovian - Pragian | Russian Federation | Ctenaenigma sp. (26990) | |
Givetian | Russian Federation (Siberia) | Ctenaenigma tuvaense (60392 60393) | |
Brigantian | USA (Alabama) | Cirripedia indet. (6754 6755 6759) | |
Moscovian | USA (Illinois) | Praelepas damrowi (132078) | |
Kasimovian | USA (Kansas) | Trypetesa lampas (159905) | |
Missourian | USA (Ohio) | Trypetesa caveata (159903 159904) | |
Missourian | USA (Texas) | Trypetesa caveata (159900 159901 159902) | |
Gzhelian | USA (Kansas) | Trypetesa caveata (159906 159907) Trypetesa lampas (159908) | |
Asselian | USA (Texas) | Trypetesa caveata (159909) | |
Roadian | USA (Texas) | Acrothoracica indet. (43553) | |
Wordian | Italy | Corobalanus problematicus, Chitobalanus minusculus (233340) | |
Pelsonian | Slovakia | Cirripedia indet. (44913) | |
Late/Upper Pliensbachian | Canada (British Columbia) | Balanus sp. (53089) | |
Late/Upper Jurassic | China (Xizang) | Cirripedia indet. (61421) | |
Early/Lower Kimmeridgian | Portugal | Zapfella sp. (67903 67904 67934 67935) | |
Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | Eolepas quenstedti (154138) |