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Plastomenus
Taxonomy
Plastomenus was named by Cope (1873).
It was synonymized subjectively with Trionyx by Lydekker (1889).
It was assigned to Plastomenidae by Hay (1902), Hay (1908) and Hay (1930); to Plastomeninae by Hutchison (2009); to Trionychidae by Estes (1976), Carroll (1988), Bryant (1989), Hutchison (1992) and Lichtig and Lucas (2015); to Plastomenidae by Vitek and Joyce (2015) and Lyson et al. (2021); and to Plastomenini by Jasinski et al. (2022).
It was synonymized subjectively with Trionyx by Lydekker (1889).
It was assigned to Plastomenidae by Hay (1902), Hay (1908) and Hay (1930); to Plastomeninae by Hutchison (2009); to Trionychidae by Estes (1976), Carroll (1988), Bryant (1989), Hutchison (1992) and Lichtig and Lucas (2015); to Plastomenidae by Vitek and Joyce (2015) and Lyson et al. (2021); and to Plastomenini by Jasinski et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Plastomenus Cope |
| 1902 | Plastomenus Hay p. 452 |
| 1908 | Plastomenus Hay p. 466 |
| 1930 | Plastomenus Hay p. 106 |
| 1976 | Plastomenus Estes p. 507 |
| 1988 | Plastomenus Carroll |
| 1989 | Plastomenus Bryant p. 40 |
| 1992 | Plastomenus Hutchison |
| 2009 | Plastomenus Hutchison |
| 2015 | Plastomenus Lichtig and Lucas |
| 2015 | Plastomenus Vitek and Joyce |
| 2021 | Plastomenus Lyson et al. |
| 2022 | Plastomenus Jasinski 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.
G. †Plastomenus Cope 1873
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†Plastomenus joycei Lyson et al. 2021
†Plastomenus thomasii Cope 1872
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Invalid names: Plastomenus tantillus Hay 1908 [synonym], Plastomenus visendus Hay 1908 [synonym]
†Plastomenus vegetus Gilmore 1919
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, subo = suborder, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Holroyd et al. 2001, Carroll 1988, Uetz 2005 | |||||
Age range: base of the Late/Upper Campanian to the top of the Duchesnean or 83.50000 to 37.00000 Ma
Collections (31 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (Arizona) | P. sp. (24915 32301 32302) | |
| Lancian | USA (Wyoming) | P. sp. (14514 75280) | |
| Lancian | USA (Montana) | P. sp. (14653 14654) | |
| Puercan | USA (Colorado) | Gilmoremys sp. (209950 210000) Plastomenidae indet. (209897) Plastomeninae indet. (176853) | |
| Puercan | USA (New Mexico) | Aspideretes vegetus (125183) | |
| Puercan | USA (Utah) | P. sp. (14748) | |
| Torrejonian | USA (Montana) | P. sp. (14874 14913) | |
| Clarkforkian | USA (Wyoming) | P. sp. (15082 15119 15159 15173) | |
| Wasatchian | USA (Wyoming) | P. sp. (15538 15563 15759 15833 59902) | |
| Wasatchian | USA (North Dakota) | P. sp. (15895) | |
| Early/Lower Eocene | USA (Wyoming) | P. sp. (15081) | |
| Bridgerian | USA (Wyoming) | P. tantillus (131895) P. thomasi (16228) P. visendus (131894) Trionyx thomasii (130809) | |
| Duchesnean | USA (Utah) | P. sp. (16877) |