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Chondrichthyes - Petalodontiformes - Pristodontidae

Synonymy list
YearName and author
1889Pristodontidae Woodward
1902Peripristidae Eastman
1963Peripristidae Jordan p. 594
1978Pristodontidae Hansen p. 55
1981Pristodontidae Zangerl p. 99
1989Pristodontidae Lund p. 357
2006Pristodontidae Nelson p. 43
2010Pristodontidae Ginter et al. p. 136

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phylumChordataHaeckel 1847
subclassHolocephali(Bonaparte 1832)
familyPristodontidaeWoodward 1889
familyPristodontidaeWoodward 1889

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.

No diagnoses are available
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:09:25
Modified: 2009-07-21 09:09:25
Source: o = order, subp = subphylum
References: Wagner 2017, Carroll 1988, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Arnsbergian to the top of the Changhsingian or 326.40000 to 252.17000 Ma
Minimum age of oldest fossil (stem group age): 323.2 Ma

Collections (27 total)

Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2USA (Kentucky) Peripristis semicircularis (133266)
Mississippian358.9 - 323.2United Kingdom Petalodus psittacinus (132781)
Arnsbergian326.4 - 318.1USA (Montana) Petalorhynchus beargulchensis (90681) Siksika ottae (116654)
Pennsylvanian323.2 - 298.9United Kingdom Petalorhynchus psittacinus, Pristodus benniei (137321) Pristodus benniei (137327) Pristodus falcatus (137324 137351) Pristodus falcatus, Pristodus concinnus, Pristodus benniei (137322)
Moscovian315.2 - 307.0USA (New Mexico) Peripristis semicircularis (149386)
Kasimovian307.0 - 303.7USA (Nebraska) Peripristis semicircularis (132676 132976 132977 132978)
Gzhelian303.7 - 298.9Italy Petalorhynchus sp. (131578)
Gzhelian303.7 - 298.9USA (Kansas) Megactenopetalus kaibabanus (146376)
Asselian298.9 - 295.5Bolivia Megactenopetalus sp. (118107)
Asselian298.9 - 295.5USA (Oklahoma) Megactenopetalus kaibabanus (146375)
Kungurian279.3 - 272.3USA (Texas) Megactenopetalus kaibabanus (118958 118959)
Kungurian279.3 - 272.3USA (Arizona) Megactenopetalus kaibabanus (90277)
Roadian272.3 - 268.8USA (Arizona) Megactenopetalus kaibabanus (90287 118961)
Guadalupian272.3 - 259.9China (Shaanxi) Petalodus shingkuoi (146377)
Wuchiapingian259.9 - 254.17Iran Petalorhynchus sp. (63727)
Wuchiapingian259.9 - 254.17China (Sichuan) Petalodus shingkuoi (146378)
Changhsingian254.17 - 252.17Pakistan Petalorhynchus indicus (89064)