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Periptychus coarctatus
Taxonomy
Periptychus coarctatus was named by Cope (1883). Its type specimen is AMNH 3775, a mandible (lower dentition), and it is a 3D body fossil.
It was recombined as Plagioptychus coarctatus by Matthew (1936); it was recombined as Carsioptychus coarctatus by Simpson (1936), Archibald et al. (1987) and Cifelli et al. (1999).
It was recombined as Plagioptychus coarctatus by Matthew (1936); it was recombined as Carsioptychus coarctatus by Simpson (1936), Archibald et al. (1987) and Cifelli et al. (1999).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Periptychus coarctatus Cope |
| 1888 | Periptychus brabensis Cope p. 354 |
| 1888 | Periptychus coarctatus Cope p. 354 |
| 1897 | Periptychus coarctatus Matthew p. 296 |
| 1902 | Periptychus coarctatus Hay p. 693 |
| 1936 | Plagioptychus coarctatus Matthew |
| 1936 | Carsioptychus coarctatus Simpson |
| 1936 | Carsioptychus matthewi Simpson |
| 1936 | Periptychus matthewi Simpson |
| 1936 | Plagioptychus matthewi Simpson |
| 1937 | Periptychus coarctatus Matthew |
| 1941 | Periptychus hamaxitus Gazin |
| 1978 | Periptychus coarctatus Van Valen |
| 1987 | Carsioptychus coarctatus Archibald et al. |
| 1987 | Carsioptychus matthewi Archibald et al. |
| 1993 | Periptychus coarctatus Williamson and Lucas |
| 1996 | Periptychus coarctatus Williamson |
| 1998 | Periptychus coarctatus Eberle and Lillegraven |
| 1999 | Carsioptychus coarctatus Cifelli et al. |
| 2003 | Periptychus coarctatus Eberle p. 159 |
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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.
†Periptychus coarctatus Cope 1883
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Invalid names: Periptychus brabensis Cope 1888 [synonym], Periptychus hamaxitus Gazin 1941 [synonym], Periptychus matthewi Simpson 1936 [synonym], Plagioptychus matthewi Simpson 1936 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Archibald 1998, Hendy et al. 2009, Carroll 1988, Ji et al. 2002 | |||||
Age range: base of the Torrejonian to the top of the Puercan or 63.80000 to 63.30000 Ma
Collections (55 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Puercan | USA (Utah) | Periptychus coarctatus (14670 14692) Periptychus hamaxitus (14736 14748 14790) | |
| Puercan | USA (New Mexico) | Periptychus coarctatus (14703 14760 14794 14795) Plagioptychus matthewi (14662) | |
| Puercan | USA (Colorado) | Carsioptychus coarctatus (176748 205865 205867 205895 205900 205901 205903 205907 205908 205910 205914 205928 209872 209892 209904 209921 209924 209943 209946 209957 209964 209968 209976 210033) Periptychus coarctatus (14659 14677 14678 14679 14680 14681 14682 14683 14685 14686 14746 14750 14792 14793) | |
| Puercan | USA (Wyoming) | Periptychus coarctatus (14706 14716 14719 14720 14721 14733) | |
| Torrejonian | USA (Utah) | Periptychus hamaxitus (14883) |