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Taxonomy
Dimyidae was named by Fischer (1886) [m. kosnik taxon no: 5094]. It is extant.
It was assigned to Plicatulacea by Maxwell (1978); to Pectinacea by Newell (1965) and Vokes (1980); to Dimyacea by Dockery (1982); to Pectinoidea by Stilwell (1998); to Pterioida by Spencer et al. (2004); and to Dimyoidea by Coan et al. (2000), Todd (2001), Bieler and Mikkelsen (2006), Nevesskaja (2009), Bouchet et al. (2010), Carter et al. (2011), Waller (2012) and Ros-Franch et al. (2014).
It was assigned to Plicatulacea by Maxwell (1978); to Pectinacea by Newell (1965) and Vokes (1980); to Dimyacea by Dockery (1982); to Pectinoidea by Stilwell (1998); to Pterioida by Spencer et al. (2004); and to Dimyoidea by Coan et al. (2000), Todd (2001), Bieler and Mikkelsen (2006), Nevesskaja (2009), Bouchet et al. (2010), Carter et al. (2011), Waller (2012) and Ros-Franch et al. (2014).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Dimyidae Fischer |
| 1965 | Dimyidae Newell p. 17 |
| 1978 | Dimyidae Maxwell p. 15 |
| 1980 | Dimyidae Vokes p. 59 |
| 1982 | Dimyidae Dockery p. 51 |
| 1998 | Dimyidae Stilwell p. 47 |
| 2000 | Dimyidae Coan et al. p. 211 |
| 2001 | Dimyidae Todd |
| 2004 | Dimyidae Spencer et al. |
| 2006 | Dimyidae Bieler and Mikkelsen p. 230 |
| 2009 | Dimyidae Nevesskaja |
| 2010 | Dimyidae Bouchet et al. |
| 2011 | Dimyidae Carter et al. p. 10 |
| 2012 | Dimyidae Waller p. 842 |
| 2014 | Dimyidae Ros-Franch 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.
Fm. Dimyidae Fischer 1886
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G. †Atreta Etallon 1862
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†Atreta blandina Orbigny 1850
†Atreta intsulaevis Tashiro 1978
†Atreta nilssoni Hagenow 1842
†Atreta redunca Kendrick and Vartak 2007
†Atreta richthofeni Bittner 1895
†Atreta subrichthofeni Krumbeck 1924
†Atreta unguis Loriol 1900
Invalid names: Cyclostreon Eichwald 1868 [synonym], Dimyodon Munier-Chalmas 1886 [synonym], Dimyopsis Bittner 1901 [synonym]
G. Dimya Rouault 1850
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Dimya acuminata Esteves 1984
†Dimya adaia Woodring 1982
Dimya argentea Dall 1886
Dimya californiana Bewrry 1936
†Dimya phaidra Woodring 1982
†Dimya rufaripa Vokes 1979
†Dimya sigillata Tate 1886
†Dimya westonensis Maxwell 1978
G. Dimyarina Iredale 1936
Invalid names: Atretidae Scarlato and Starobogatov [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Pelsonian to the top of the Early/Lower Pleistocene or 247.20000 to 0.78100 Ma
Minimum age of oldest fossil (stem group age): 242.0 Ma
Minimum age of oldest fossil (stem group age): 242.0 Ma
Collections (317 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | China (Guizhou) | Protostrea sinensis (42103 42276 42277 42279 42280 42282 42284 42368 42369 42371 42375 42377) | |
| Pelsonian | China (Guizhou) | Protostrea sinensis (31610) | |
| Pelsonian - Illyrian | China (Guizhou) | Protostrea sinensis (31611 31612 31615 31616 31617 31618 31619 31620 31621 31622 31623 31624 31625 31626 31627 31628 31629 31631 31632) | |
| Middle Triassic | Italy | Dimyodon richthofeni (202326) | |
| Middle Triassic | China (Guizhou) | Protostrea sinensis (42278) | |
| Ladinian | Svalbard and Jan Mayen | Dimyodon patera (212183) | |
| Carnian | Hungary (Bakony) | Dimyodon intusornatus (203273) Dimyopsis intusornata (203197 203276 203277) Dimyopsis intusornata, Dimyopsis plana (203199) Dimyopsis plana (203210) | |
| Carnian | Germany | Dimyodon intusstriatum (206011 206036 206037) | |
| Carnian | Austria (Tyrol) | Dimyodon intusstriatum (202331) | |
| Carnian | Austria | Dimyodon intusstriatum (206002) | |
| Carnian | Hungary | Dimyodon woehrmanni (70800) | |
| Carnian - Norian | Indonesia (Timor) | Dimyodon subrichtofeni (205303) | |
| Late/Upper Triassic | USA (Alaska) | Dimyodon storrsi (40682) Dimyopsis sp. (40672 40673) | |
| Julian | Italy | Dimyodon sp. (34692 69661) | |
| Julian | Hungary (Bakony) | Dimyopsis intusornata (203337) | |
| Tuvalian | USA (California) | Dimyodon storrsi (33327) | |
| Tuvalian | Austria (Tyrol) | Dimyodon intusstriatum (203207) | |
| Tuvalian | Austria | Dimyodon intusstriatum (149435 149436) | |
| Norian | United Arab Emirates | Dimyodon subrichtofeni (41203 41210 135973 135974) | |
| Norian | Iran | Atreta subrichthofeni (41519 41520 41521) | |