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Opisthodontia
Taxonomy
Opisthodontia was named by Apesteguía and Novas (2003).
It was assigned to Sphenodontia by Apesteguía and Novas (2003); to Neosphenodontia by Herrera-Flores et al. (2018); and to Sphenodontidae by Apesteguia et al. (2012), Agnolín et al. (2023).
It was assigned to Sphenodontia by Apesteguía and Novas (2003); to Neosphenodontia by Herrera-Flores et al. (2018); and to Sphenodontidae by Apesteguia et al. (2012), Agnolín et al. (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Opisthodontia Apesteguía and Novas |
| 2012 | Opisthodontia Apesteguia et al. |
| 2018 | Opisthodontia Herrera-Flores et al. |
| 2023 | Opisthodontia Agnolín 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.
Unr. †Opisthodontia Apesteguía and Novas 2003
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Subfm. †Eilenodontinae Rasmussen and Callison 1981
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G. †Kaikaifilusaurus Simon and Kellner 2003
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†Kaikaifilusaurus calvoi Simon and Kellner 2003
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Invalid names: Priosphenodon avelasi Apesteguía and Novas 2003 [synonym]
†Kaikaifilusaurus minimus Apesteguia and Carballido 2014
G. †Kawasphenodon Apesteguía 2005
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†Kawasphenodon expectatus Apesteguía 2005
†Kawasphenodon peligrensis Apesteguía et al. 2014
G. †Priosphenodon Apesteguía and Novas 2003
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | United Kingdom (England) | Clevosaurus latidens (13182) | |
| Norian | Argentina (San Juan) | Sphenotitan leyesi (176414 182613 182614) | |
| Norian | USA (Texas) | Clevosaurus latidens (13266) | |
| Kimmeridgian - Tithonian | USA (Colorado) | Eilenodon sp. (48165) Rhynchocephalia indet. (137733) | |
| Late/Upper Kimmeridgian - Early/Lower Tithonian | USA (Colorado) | Eilenodon sp. (53021) | |
| Tithonian | USA (Colorado) | Eilenodon sp. (53040 177145) Sphenodontidae indet. (53041) | |
| Valanginian | USA (Utah) | Toxolophosaurus sp. (27017) | |
| Aptian - Albian | USA (Montana) | Toxolophosaurus cloudi (85072) | |
| Late/Upper Aptian | Argentina (Chubut) | Priosphenodon minimus (154711 154712) | |
| Early/Lower Cenomanian | Argentina (Río Negro) | Priosphenodon avelasi (225915) | |
| Early/Lower Cenomanian | Argentina (Neuquén) | Kaikaifilusaurus calvoi (118103) | |
| Middle Cenomanian - Early/Lower Turonian | Argentina (Río Negro) | Kaikaifilusaurus sp., Patagosphenos wataku (180530) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | Kawasphenodon expectatus (45087) | |
| Maastrichtian | Argentina (Río Negro) | Alamitosphenos mineri (232186) | |
| Danian | Argentina (Chubut) | Kawasphenodon peligrensis (95914) |