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Peripetoceras
Taxonomy
Peripetoceras was named by Hyatt (1894) [Sepkoski's age data: C Vise P Guad-l].
It was assigned to Nautilida by Sepkoski (2002); and to Liroceratidae by Teichert et al. (1964), Barskov and Shilovsky (2014), Niko and Mapes (2016), Korn (2025).
It was assigned to Nautilida by Sepkoski (2002); and to Liroceratidae by Teichert et al. (1964), Barskov and Shilovsky (2014), Niko and Mapes (2016), Korn (2025).
Species
P. asselense, P. bridgeportense, P. brouweri, P. burovi, P. cautum, P. comploji, P. dubium, P. fischeri, P. freieslebeni (syn. Nautilus bowerbankianus), P. gigas, P. globatoides, P. ideliense, P. kummeli, P. milleri, P. ozarkense, P. parum, P. tormentum, P. umbilicatum, P. wanneri, P. wewokense, P. whitei
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Peripetoceras Hyatt |
| 1910 | Cyclonautilus Hind |
| 1964 | Peripetoceras Teichert et al. p. 447 |
| 2002 | Peripetoceras Sepkoski |
| 2014 | Peripetoceras Barskov and Shilovsky p. 1386 |
| 2016 | Peripetoceras Niko and Mapes p. 78 |
| 2025 | Peripetoceras Korn p. 65 |
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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. †Peripetoceras Hyatt 1894
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†Peripetoceras asselense Ruzhentsev and Shimanskiy 1954
†Peripetoceras bridgeportense Tucker and Mapes 1978
†Peripetoceras brouweri Haniel 1915
†Peripetoceras burovi Barskov and Shilovsky 2014
†Peripetoceras cautum Shimanskiy 1967
†Peripetoceras comploji Prinoth and Posenato 2007
†Peripetoceras dubium Bisat 1930
†Peripetoceras fischeri Shimanskiy 1967
†Peripetoceras freieslebeni Geinitz 1843
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Invalid names: Nautilus bowerbankianus King 1850 [synonym]
†Peripetoceras gigas Prinoth and Posenato 2007
†Peripetoceras globatoides Shimanskiy 1967
†Peripetoceras ideliense Barskov and Shilovsky 2014
†Peripetoceras kummeli Niko and Mapes 2017
†Peripetoceras milleri Niko and Mapes 2015
†Peripetoceras ozarkense Gordon 1964
†Peripetoceras parum Korn and Ghaderi 2025
†Peripetoceras tormentum Shimanskiy 1967
†Peripetoceras umbilicatum Hind 1910
†Peripetoceras wanneri Haniel 1915
†Peripetoceras wewokense Tucker et al. 1978
†Peripetoceras whitei Gordon 1960
Invalid names: Cyclonautilus Hind 1910 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 45 | 23.6 | 12.0 | 140.0 | 18.0 | 33.1 | |
| shell diameter | 45 | 49.3 | 24.0 | 260.0 | 38.0 | 64.0 | |
| shell inflation | 45 | 10.5 | 6.00 | 28.0 | 10.0 | 5.33 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Brigantian to the top of the Changhsingian or 335.90000 to 251.90200 Ma
Collections (49 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Brigantian | USA (Arkansas) | P. ozarkense (76143) | |
| Brigantian - Serpukhovian | Russian Federation | P. tormentum (166519) | |
| Pendleian | Kazakhstan | P. cautum (8421) | |
| Pendleian | Russian Federation | P. globatoides (166306) | |
| Arnsbergian | USA (Arkansas) | P. kummeli (185022 185023) | |
| Bashkirian | Ukraine | P. sp. (228670) | |
| Moscovian | Ukraine | P. sp. (166829) | |
| Moscovian | USA (Arkansas) | P. sp. (128575) | |
| Podolskian | Russian Federation | P. fischeri (49968 166514) | |
| Kasimovian | USA (Oklahoma) | P. sp. (177750) | |
| Missourian | USA (Texas) | P. bridgeportense (49987 49988) | |
| Virgilian | USA (Texas) | P. bridgeportense (217893 217903 217905 220414) | |
| Artinskian | Russian Federation | P. asselense (116796) | |
| Roadian | Russian Federation | P. burovi (164547) P. ideliense, P. burovi (111240) | |
| Roadian | USA (Wyoming) | P. sp. (11229) | |
| Wuchiapingian | Germany | Nautilus sp. (118856 118857) P. freieslebeni (130275 130276 130277 130279) P. sp. (130278) | |
| Wuchiapingian | United Kingdom | Nautilus freieslebeni (130772 130834 130863 130869 130870 130871 130872) | |
| Wuchiapingian | United Kingdom (Durham) | Nautilus freieslebeni (130833) P. sp. (161509) | |
| Wuchiapingian | United Kingdom (England) | Ammonites sp. (116168) Nautilus bowerbankianus (83171) Nautilus freieslebeni (95677 130765) Nautilus freieslebeni, Nautilus bowerbankianus (130766) P. freieslebeni (89594) | |
| Wuchiapingian | Iran | P. parum (275374) | |
| Wuchiapingian | Pakistan | Nautilus wanneri (236232) | |
| Changhsingian | Italy | P. comploji (95454) P. comploji, P. gigas (95456 95458) |