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Ptychoceratodontidae
Taxonomy
Ptychoceratodontidae was named by Martin (1982).
It was reranked as the subfamily Ptychoceratodontinae by Apesteguia et al. (2007).
It was assigned to Ceratodontiformes by Cuny and Ramboer (1991); to Ceratodontidae by Apesteguia et al. (2007); to Dipnoi by Cione (1987) and Agnolin et al. (2017); and to Dipnoi by Martin (1982) and Panzeri (2023).
It was reranked as the subfamily Ptychoceratodontinae by Apesteguia et al. (2007).
It was assigned to Ceratodontiformes by Cuny and Ramboer (1991); to Ceratodontidae by Apesteguia et al. (2007); to Dipnoi by Cione (1987) and Agnolin et al. (2017); and to Dipnoi by Martin (1982) and Panzeri (2023).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Ptychoceratodontidae Martin p. 612 |
| 1987 | Ptychoceratodontidae Cione p. 115 |
| 1991 | Ptychoceratodontidae Cuny and Ramboer p. 72 |
| 2007 | Ptychoceratodontinae Apesteguia et al. |
| 2017 | Ptychoceratodontidae Agnolin et al. |
| 2023 | Ptychoceratodontidae Panzeri p. 167 |
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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. †Ptychoceratodontidae Martin 1982
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G. †Ptychoceratodus Jaekel 1926
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†Ptychoceratodus acutus Priem 1924
†Ptychoceratodus cionei Apesteguia et al. 2007
†Ptychoceratodus concinnus Meyer and Plieninger 1844
†Ptychoceratodus cuyanus Agnolin et al. 2017
†Ptychoceratodus donensis Vorobyeva and Minikh 1968
†Ptychoceratodus gracilis Vorobyeva and Minikh 1968
†Ptychoceratodus ornatus Broom 1913
†Ptychoceratodus phillipsi Agassiz 1838
†Ptychoceratodus rectangulus Linck 1936
†Ptychoceratodus roemeri Skrzycki 2015
†Ptychoceratodus serratus Agassiz 1838
†Ptychoceratodus szechuanensis Young 1942
†Ptychoceratodus virapa Oldham 1859
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Katian to the top of the Early/Lower Maastrichtian or 453.00000 to 66.00000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | China | Ptychoceratodus donensis (211602) | |
| Olenekian | South Africa (Free State) | Ptychoceratodus sp. (98617) | |
| Olenekian | Russian Federation (Volgograd) | Ceratodus donensis (27343) | |
| Longobardian | Germany (Baden-Württemberg) | Ptychoceratodus serratus (101873) | |
| Carnian | Argentina | Ptychoceratodus cuyanus (123008) | |
| Carnian | Germany (Baden-Württemberg) | Ptychoceratodus concinnus (106462) | |
| Carnian - Norian | Poland (Opole) | Ptychoceratodus roemeri (61448) | |
| Norian | Germany (Baden-Württemberg) | Ceratodus concinnus (138865) | |
| Norian | Thailand (Chaiyaphum) | Ceratodontidae indet. (89992) | |
| Norian | France | Ptychoceratodus rectangulus (117821) | |
| Rhaetian | France (Lorraine) | Ptychoceratodus phillipsi (36106) | |
| Middle Jurassic | Thailand (Changwat Nakhon Si Thammarat) | Ferganoceratodus szechuanensis (137735) | |
| Tithonian | China (Sichuan) | Ceratodus szechuanensis (47076 159590) | |
| Late/Upper Tithonian - Early/Lower Berriasian | Morocco (Oriental) | Ptychoceratodontidae indet. (45726) | |
| Late/Upper Tithonian - Early/Lower Berriasian | Morocco (Figuig) | Ptychoceratodontidae indet. (204918 204924 204936 204979 204990) | |
| Albian | Niger (Agadez) | Ptychoceratodus sp. (228823) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | Ptychoceratodus cionei (45087) | |
| Maastrichtian | Argentina (Chubut) | Ceratodus sp. (191131) |