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Pristodontidae
Taxonomy
Pristodontidae was named by Woodward (1889). It is not extant.
It was assigned to Selachii by Woodward (1889); to Petalodontida by Zangerl (1981); and to Petalodontiformes by Hansen (1978), Lund (1989), Nelson (2006) and Ginter et al. (2010).
It was assigned to Selachii by Woodward (1889); to Petalodontida by Zangerl (1981); and to Petalodontiformes by Hansen (1978), Lund (1989), Nelson (2006) and Ginter et al. (2010).
Subtaxa
Synonyms
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Synonymy list
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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. †Pristodontidae Woodward 1889
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G. †Davodus Hansen 1985
G. †Megactenopetalus David 1944
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G. †Petalorhynchus Newberry and Worthen 1866
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†Petalorhynchus beargulchensis Lund 1989
Petalorhynchus distortus Saint John and Worthen 1875
†Petalorhynchus indicus Waagen 1879
Petalorhynchus pseudosagittatus Saint John and Worthen 1875
†Petalorhynchus psittacinus Agassiz 1843
Petalorhynchus spatulatus Saint John and Worthen 1875
Petalorhynchus striatus Newberry and Worthen 1866
G. †Pristodus Davis 1883
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†Pristodus benniei Etheridge 1875
†Pristodus concinnus Davis 1883
†Pristodus falcatus Davis 1883
Invalid names: Peripristidae Eastman 1902 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Wagner 2023, Hendy et al. 2009, Carroll 1988 | |||||
Age range
Maximum range based only on fossils: base of the Arnsbergian to the top of the Changhsingian or 327.00000 to 252.17000 Ma
Minimum age of oldest fossil (stem group age): 323.7 Ma
Minimum age of oldest fossil (stem group age): 323.7 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mississippian | United Kingdom | Petalodus psittacinus (132781) | |
| Mississippian | USA (Kentucky) | Peripristis semicircularis (133266) | |
| Arnsbergian | USA (Montana) | Petalorhynchus beargulchensis (90681) Siksika ottae (116654) | |
| Pennsylvanian | United Kingdom | Petalorhynchus psittacinus, Pristodus benniei (137321) Pristodus benniei (137327) Pristodus falcatus (137324 137351) Pristodus falcatus, Pristodus concinnus, Pristodus benniei (137322) | |
| Moscovian | USA (New Mexico) | Peripristis semicircularis (149386) | |
| Kasimovian | USA (Nebraska) | Peripristis semicircularis (132676 132976 132977 132978) | |
| Kasimovian | USA (New Mexico) | Peripristis sp. (217021 217022) | |
| Late/Upper Pennsylvanian | USA (Texas) | Peripristis semicircularis (236693) | |
| Missourian | USA (Missouri) | Peripristis semicircularis (71507) | |
| Gzhelian | Italy | Petalorhynchus sp. (131578) | |
| Gzhelian | USA (Kansas) | Megactenopetalus kaibabanus (146376) | |
| Virgilian | USA (New Mexico) | Peripristis semicircularis (217070) | |
| Asselian | USA (Oklahoma) | Megactenopetalus kaibabanus (146375) | |
| Asselian | Bolivia | Megactenopetalus sp. (118107) | |
| Kungurian | USA (Texas) | Megactenopetalus kaibabanus (118958 118959) | |
| Kungurian | USA (Arizona) | Megactenopetalus kaibabanus (90277) | |
| Guadalupian | China (Shaanxi) | Petalodus shingkuoi (146377) | |
| Roadian | USA (Arizona) | Megactenopetalus kaibabanus (90287 118961) | |
| Wuchiapingian | Iran | Petalorhynchus sp. (63727) | |
| Wuchiapingian | China (Sichuan) | Petalodus shingkuoi (146378) | |
| Changhsingian | Pakistan | Petalorhynchus indicus (89064) |