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Trilophosauridae
Taxonomy
Trilophosauridae was named by Gregory (1945). It is not extant. Its type is Trilophosaurus.
It was assigned to Protorosauria by Olson (1960); to Trilophosauria by Kuhn (1966), Carroll (1988) and Long and Murry (1995); to Archosauromorpha by Benton (1985), Lucas and Hunt (1990) and Spielmann et al. (2009); and to Archosauromorpha by Heckert et al. (2006), Mueller and Parker (2006) and Skinner et al. (2020).
It was assigned to Protorosauria by Olson (1960); to Trilophosauria by Kuhn (1966), Carroll (1988) and Long and Murry (1995); to Archosauromorpha by Benton (1985), Lucas and Hunt (1990) and Spielmann et al. (2009); and to Archosauromorpha by Heckert et al. (2006), Mueller and Parker (2006) and Skinner et al. (2020).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Trilophosauridae Gregory |
| 1960 | Trilophosauridae Olson p. 551 |
| 1966 | Trilophosauridae Kuhn p. 19 |
| 1985 | Trilophosauridae Benton p. 154 |
| 1988 | Trilophosauridae Carroll |
| 1990 | Trilophosauridae Lucas and Hunt p. 93 |
| 1995 | Trilophosauridae Long and Murry |
| 2006 | Trilophosauridae Heckert et al. |
| 2006 | Trilophosauridae Mueller and Parker |
| 2009 | Trilophosauridae Spielmann et al. |
| 2020 | Trilophosauridae Skinner 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.
Fm. †Trilophosauridae Gregory 1945
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Canada (Nova Scotia) | Trilophosauridae indet. (227834) | |
| Carnian | USA (Texas) | Spinosuchus sp. (84271) | |
| Carnian | Canada (Nova Scotia) | Trilophosauridae indet. (107286) | |
| Carnian - Norian | USA (Texas) | Coelophysis sp. (71979) Spinosuchus caseanus (71982) Theropoda indet. (94492) | |
| Norian | USA (Texas) | Spinosuchus caseanus (94493) | |
| Norian | USA (Arizona) | T. sp. (196662 215309) | |
| Rhaetian | United Kingdom (Wales) | Tricuspisaurus thomasi (46077) | |
| Rhaetian | United Kingdom (England) | Variodens inopinatus (12858) Variodens sp., Variodens inopinatus (120898) | |
| Rhaetian | Switzerland (Schaffhausen) | Variodens sp. (51235) |