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Ceratomya
Taxonomy
Ceratomya was named by Sandberger (1864) [Sepkoski's age data: J Sine-u J Tith Sepkoski's reference number: 93]. It is not extant.
It was assigned to Pholadomyoida by Sepkoski (2002); and to Ceratomyidae by Vokes (1980), Aberhan (2004), Scholz et al. (2008), Bouchet et al. (2010), Repin (2013).
It was assigned to Pholadomyoida by Sepkoski (2002); and to Ceratomyidae by Vokes (1980), Aberhan (2004), Scholz et al. (2008), Bouchet et al. (2010), Repin (2013).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Ceromya Agassiz |
| 1864 | Ceratomya Sandberger |
| 1980 | Ceratomya Vokes p. 206 |
| 2002 | Ceratomya Sepkoski |
| 2004 | Ceratomya Aberhan p. 138 |
| 2008 | Ceratomya Scholz et al. |
| 2010 | Ceratomya Bouchet et al. |
| 2013 | Ceratomya Repin p. 568 |
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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. †Ceratomya Sandberger 1864
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†Ceratomya concentrica Sowerby 1822
†Ceratomya excentrica Roemer 1836
†Ceratomya goniophora Cossmann 1900
†Ceratomya leptoglypta Cossmann 1900
†Ceratomya obtusa Gerber 1918
†Ceratomya persica Repin 2013
†Ceratomya pittieri de Loriol 1883
†Ceratomya striata Sowerby 1815
†Ceratomya telluris Lamarck 1819
†Ceratomya wimmisensis Gillieron 1886
Invalid names: Ceromya Agassiz 1842 [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 41.3 | 32.5 | 64.0 | 37.0 | 12.8 | |
| valve height | 2 | 37.8 | 31.1 | 46.0 | 38.6 | 10.5 |
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Hettangian to the top of the Hauterivian or 201.40000 to 125.77000 Ma
Collections (253 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hettangian | Hungary | C. ludovicae (125465) | |
| Early/Lower Jurassic | Vietnam (South Viet-Nam) | C. aalensis, C. tanganyicensis (37217) | |
| Jurassic | Tunisia | C. wimmisensis (13787) | |
| Jurassic - Late/Upper Jurassic | Tunisia | C. wimmisensis (13862) | |
| Sinemurian | Mexico (Sonora) | C. sp. (40177) | |
| Early/Lower Pliensbachian | Mexico (Sonora) | C. concentrica (115215 115216) C. petricosa (115217) | |
| Early/Lower Pliensbachian - Late/Upper Pliensbachian | Argentina (Neuquen) | C. sp. (10701) | |
| Ibex | United Kingdom (Dorset) | C. petricosa (159141) | |
| Jamesoni | Greenland | C. petricosa (162111 162280) C. sp. (162272) | |
| Late/Upper Pliensbachian | United Kingdom (Gloucestershire) | C. sp. (204120) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Kimmeridgian | Portugal (Centro) | C. excentrica (68220) | |
| Kimmeridgian | Kenya | C. excentrica (36497 36509) | |
| Kimmeridgian | Ethiopia | Ceromya excentrica (94584 94585) Ceromya paucilirata, Ceromya orbicularis, Ceromya excentrica (94491) | |
| Kimmeridgian | Madagascar | C. sp. (98193) | |
| Kimmeridgian | Mexico (Chiapas) | C. sp. (98672) | |
| Kimmeridgian | Portugal | C. excentrica (5988 6010 7408 8511 8671 8673) | |
| Kimmeridgian | Saudi Arabia | C. excentrica (45691) C. sp. (45650) | |
| Kimmeridgian | Somalia | C. excentrica (161478) | |
| Late/Upper Kimmeridgian | Switzerland (Jura) | C. sp. (180789) | |
| Hauterivian | Chile (Coquimbo) | C. sp. (222008) | |