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Ischyrodontidae
Taxonomy
Ischyrodontidae was named by Scarlato and Starobogatov (1979).
It was assigned to Pteriomorphia by Bouchet et al. (2010); and to Ostreomorphi by Carter et al. (2011), Wang et al. (2025).
It was assigned to Pteriomorphia by Bouchet et al. (2010); and to Ostreomorphi by Carter et al. (2011), Wang et al. (2025).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Ischyrodontidae Scarlato and Starobogatov |
| 2010 | Ischyrodontidae Bouchet et al. |
| 2011 | Ischyrodontidae Carter et al. p. 7 |
| 2025 | Ischyrodontidae Wang et al. p. 9 |
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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. †Ischyrodontidae Scarlato and Starobogatov 1979
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G. †Ischyrodonta Ulrich 1890
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†Ischyrodonta curta Conrad 1841
†Ischyrodonta dakei Cullison 1938
†Ischyrodonta manitoulinensis Foerste 1924
†Ischyrodonta unionoides Meek 1893
†Ischyrodonta unionoides westonensis Foerste 1924
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class | |||||
| References: Eaton 1871, Aberhan et al. 2004 | |||||
Age range: base of the Cassinian to the top of the Llandovery or 483.40000 to 432.90000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cassinian | USA (Missouri) | Ischyrodonta dakei (75553) | |
| Darriwilian | China (Yunnan) | Rhomboconcha tresdentes (241211 241212 241213) | |
| Late/Upper Ordovician | USA (Virginia) | Ischyrodonta sp. (343) | |
| Late/Upper Ordovician | USA (New York) | Ischyrodonta unionoides (346) | |
| Late/Upper Ordovician | USA (Maryland) | Ischyrodonta truncata (408 409) | |
| Mohawkian | USA (Virginia) | Ischyrodonta sp. (76082 85576 85577 85588 85597 85600 85603 85610 85617) | |
| Maysvillian | Canada (Ontario) | Ischyrodonta unionoides (173249 173309) | |
| Maysvillian | USA (New York) | Ischyrodonta unionoides (173305 173329) | |
| Maysvillian | USA (Ohio) | Ischyrodonta unionoides (173053) | |
| Maysvillian | USA (Virginia) | Ischyrodonta sp. (5398) Ischyrodonta unionoides (5396 5399) | |
| Maysvillian - Richmondian | USA (Ohio) | Ischyrodonta sp. (351) | |
| Maysvillian - Ashgill | USA (Ohio) | Ischyrodonta sp. (389) | |
| Richmondian | Canada (Ontario) | Ischyrodonta manitoulinensis (173095) | |
| Richmondian | USA (Indiana) | Ischyrodonta ovalis (101552) Ischyrodonta sp. (373) | |
| Richmondian | USA (Ohio) | Ischyrodonta sp. (372 395) | |
| Richmondian - Ashgill | USA (Ohio) | Ischyrodonta sp. (394) | |
| Ashgill | USA (Indiana) | Ischyrodonta decipiens (64164) | |
| Ashgill | Canada (Ontario) | Ischyrodonta misneri (26304) | |
| Llandovery | Canada (Ontario) | Ischyrodonta sp. (444) |