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Conchostraca (clam shrimp)

Discussion

Sars proposed Conchostraca below the Subordinal level, but did not specify at WHAT level below that it represented. His later use of the term is variable: in 1887 he called it a Section, in 1895 he called it a Tribe. Conchostraca is a paraphylletic group

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Taxonomy
Conchostraca was named by Sars (1867). It is extant.

It was reranked as the unranked clade Conchostraca by Martens et al. (2005).

It was assigned to Arthropoda by Ellenberger (1970); and to Crustacea by Martens et al. (2005).

Synonymy list
YearName and author
1867Conchostraca Sars p. 5
1970Conchostraca Ellenberger p. 349
2005Conchostraca Martens et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
RankNameAuthor
Panarthropoda
phylumArthropodaLatreille 1829
ConchostracaSars 1867
ConchostracaSars 1867

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: actively mobilep
Created: 2004-02-29 09:38:49
Modified: 2004-02-29 11:38:49
Source: p = phylum
Reference: Kiessling 2004

Age range: base of the Early/Lower Devonian to the top of the Early/Lower Eocene or 419.20000 to 48.60000 Ma

Collections (55 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (territoire d'Estinnes-au-Monts) Estheria sp. (23258 23260)
Westphalian C - Westphalian D314.6 - 306.95Germany Estheria limbata (123825) Estheria limbata, Estheria rimosa (123953)
Stephanian306.95 - 298.9Germany (Saarland) Estheria limbata (122600)
Stephanian306.95 - 298.9Germany Estheria limbata (138379)
Asselian - Sakmarian298.9 - 290.1Czech Republic Conchostraca indet. (51265)
Asselian - Sakmarian298.9 - 290.1Germany (Rhineland-Palatinate) Estheria drummi, Estheria obenaueri (122606)
Permian298.9 - 252.17USA (Texas) Estheria sp. (24622)
Artinskian290.1 - 279.3USA (Oklahoma) Conchostraca indet. (104818)
Artinskian - Kungurian290.1 - 272.3USA (Texas) Estheria sp. (24624)
Leonard290.1 - 268.0USA (Oklahoma) Estheria sp. (84941)
Roadian272.3 - 268.8Russian Federation Conchostraca indet. (197557) Glyptoasmussia exigua (197763 197764 197765)
Wordian268.8 - 265.1Russian Federation Conchostraca indet. (197588 197589 197593 197595) Eustheria eos, Trigonestheria angulata (197590)
Capitanian265.1 - 259.9Russian Federation Conchostraca indet. (197596 197601)
Early/Lower Triassic252.17 - 247.2Angola Estheria sp. (131082)
Triassic252.17 - 201.3USA (North Carolina) Estheria ovata (151884)
Smithian251.3 - 247.2Australia (Western Australia) Conchostraca indet. (48615)
Smithian - Spathian251.3 - 247.2Australia (Western Australia) Conchostraca indet. (48616)
Aegean - Bithynian247.2 - 242.0USA (New Mexico) Conchostraca indet. (88068)
Longobardian242.0 - 235.0Argentina (Mendoza) Conchostraca indet. (115104)
Late/Upper Triassic237.0 - 201.3France Estheria sp. (79579)
Norian228.0 - 208.5Thailand (Phetchabun) Estheria sp. (106542)
Norian228.0 - 208.5USA (New Jersey) Conchostraca indet. (91743)
Rhaetian208.5 - 201.3Turkey Estheria minuta (152783)
Hettangian201.3 - 199.3USA (Utah) Conchostraca indet. (121321)
Hettangian - Sinemurian201.3 - 190.8South Africa (Free State) Conchostraca indet. (75263 107097)
Sinemurian199.3 - 190.8Lesotho Estheria draperi, Estheria mangaliensis (84073)
Sinemurian199.3 - 190.8USA (New Jersey) Conchostraca indet. (187288)
Late/Upper Toarcian - Early/Lower Aalenian180.1 - 171.6Argentina (Chubut) Estheria sp. (11923)
Kimmeridgian157.3 - 152.1USA (Colorado) Conchostraca indet. (38883)
Kimmeridgian - Tithonian157.3 - 145.0USA (Colorado) Conchostraca indet. (52919 52920 192447 192453)
Neocomian145.0 - 130.0Mongolia (Govi-Altay) Conchostraca indet. (179185 179187 179191 179195)
Berriasian - Hauterivian145.0 - 129.4Brazil (ParaĆ­ba) Conchostraca indet. (56463 58786)
Early/Lower Aptian125.45 - 122.46Russian Federation (Nerchinsk) Estheria middendorfi (142140)
Aptian125.0 - 113.0China (Liaoning) Estheria middendorfi (73687)
Late/Upper Aptian122.46 - 112.03Australia (Victoria) Conchostraca indet. (77192)
Albian113.0 - 100.5Cameroon (Nord) Estheria sp. (52673)
Early/Lower Eocene55.8 - 48.6France (Aude) Conchostraca indet. (182641)