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Cosmomya
Taxonomy
Cosmomya was named by Holdhaus (1913) [Sepkoski's age data: C Vise P u Sepkoski's reference number: 967]. Its type is Cosmomya egregia.
It was assigned to Sanguinolitinae by Morris et al. (1991); to Pholadomyoida by Sepkoski (2002); and to Pholadomyinae by Neves et al. (2014).
It was assigned to Sanguinolitinae by Morris et al. (1991); to Pholadomyoida by Sepkoski (2002); and to Pholadomyinae by Neves et al. (2014).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Cosmomya Holdhaus p. 446 |
| 1991 | Cosmomya Morris et al. p. 94 |
| 2002 | Cosmomya Sepkoski |
| 2014 | Cosmomya Neves et al. p. 224 |
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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.
G. †Cosmomya Holdhaus 1913
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Subg. †Cosmomya (Palaeocosmomya) Fletcher 1946
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†Cosmomya (Palaeocosmomya) aplata Fletcher 1946
†Cosmomya (Palaeocosmomya) baitaquensis Neves et al. 2014
†Cosmomya (Palaeocosmomya) teicherti Fletcher 1946
†Palaeocosmomya kochi Newell 1955
†Palaeocosmomya omoloniformica Guskov 1984
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 24.3 | 15.0 | 67.2 | 23.0 | 15.7 | |
| valve height | 4 | 63.3 | 59.9 | 70.0 | 62.0 | 4.76 |
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| Source: f = family, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Pendleian to the top of the Wuchiapingian or 330.90000 to 254.17000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pendleian | United Kingdom (England) | C. variabilis (157645) | |
| Gzhelian - Asselian | Russian Federation | C. sp. (202199) | |
| Asselian | Russian Federation | Palaeocosmomya sp. nov. (102159) | |
| Sakmarian | Brazil | C. baitaquensis (155153) | |
| Sakmarian | Mongolia | Palaeocosmomya omoloniformica (81140) | |
| Sakmarian | Australia (Western Australia) | Palaeocosmomya sp. nov. (85021 107345) | |
| Sakmarian | Russian Federation | Palaeocosmomya omolonica (102160) | |
| Artinskian | Russian Federation | Palaeocosmomya omolonica (102162) | |
| Artinskian | Mongolia | Palaeocosmomya omoloniformica (81141) | |
| Artinskian | Australia (Western Australia) | C. teicherti (85227) Palaeocosmomya aplatum (101256) Palaeocosmomya teicherti (108409) | |
| Kungurian | Australia (Western Australia) | Palaeocosmomya teicherti (101265 108410) | |
| Kungurian | Russian Federation | Palaeocosmomya kochi (109986 113948) Palaeocosmomya omoloniformica (114391) Palaeocosmomya sp. (113905) Palaeocosmomya sp., Palaeocosmomya omoloniformica (110010) | |
| Wuchiapingian | Russian Federation | Palaeocosmomya kochi (97376) | |
| Wuchiapingian | Greenland | Palaeocosmomya kochi (96754) | |
| Lopingian | India | C. egregia (230340) |