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Ischyrodonta
Taxonomy
Ischyrodonta was named by Ulrich (1890) [Sepkoski's age data: O Cara-u O Ashg-m Sepkoski's reference number: 91]. It is not extant.
It was assigned to Allodesmatidae by Vokes (1980); to Modiomorphoida by Sepkoski (2002); and to Ischyrodontidae by Bouchet et al. (2010).
It was assigned to Allodesmatidae by Vokes (1980); to Modiomorphoida by Sepkoski (2002); and to Ischyrodontidae by Bouchet et al. (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Ischyrodonta Ulrich |
| 1980 | Ischyrodonta Vokes p. 71 |
| 2002 | Ischyrodonta Sepkoski |
| 2010 | Ischyrodonta Bouchet 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.
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: o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Cassinian to the top of the Llandovery or 482.30000 to 433.40000 Ma
Collections (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cassinian | USA (Missouri) | I. dakei (75553) | |
| Late/Upper Ordovician | USA (Virginia) | I. sp. (343) | |
| Late/Upper Ordovician | USA (Maryland) | I. truncata (408 409) | |
| Late/Upper Ordovician | USA (New York) | I. unionoides (346) | |
| Mohawkian | USA (Virginia) | I. sp. (76082 85576 85577 85588 85597 85600 85603 85610 85617) | |
| Maysvillian | USA (New York) | I. unionoides (173305 173329) | |
| Maysvillian | USA (Virginia) | I. sp. (5398) I. unionoides (5396 5399) | |
| Maysvillian | USA (Ohio) | I. unionoides (173053) | |
| Maysvillian | Canada (Ontario) | I. unionoides (173249 173309) | |
| Maysvillian - Richmondian | USA (Ohio) | I. sp. (351) | |
| Maysvillian - Ashgill | USA (Ohio) | I. sp. (389) | |
| Richmondian | USA (Indiana) | I. ovalis (101552) I. sp. (373) | |
| Richmondian | USA (Ohio) | I. sp. (372 395) | |
| Richmondian | Canada (Ontario) | I. manitoulinensis (173095) | |
| Richmondian - Ashgill | USA (Ohio) | I. sp. (394) | |
| Ashgill | Canada (Ontario) | I. misneri (26304) | |
| Ashgill | USA (Indiana) | I. decipiens (64164) | |
| Llandovery | Canada (Ontario) | I. sp. (444) |