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Asmodochelys parhami
Discussion
urn:lsid:zoobank.org:act: EFADE61D-7F5E-4074-8B5F-D0AC7D470E4F
Etymology: The species name honours James F. Parham, former Curator of Palaeontology at the Alabama Museum of Natural History for his contributions to Alabama palaeontology and the study of marine turtle evolution.
Taxonomy
Asmodochelys parhami was named by Gentry et al. (2019). Its type specimen is MSC (McWane Science Center, Birmingham, AL) 35984, a partial skeleton (A single individual preserving the nuchal, four neurals, two epineurals, eight left peripherals, five right peripherals, a partial first suprapygal, two costals), and it is a 3D body fossil. Its type locality is Town of Alberta, which is in a Campanian marine horizon in the Demopolis Chalk Formation of Alabama. It is the type species of Asmodochelys.
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Asmodochelys parhami Gentry 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.
†Asmodochelys parhami Gentry et al. 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. D. Gentry et al. 2019 | Thick shell with a deep nuchal embayment; nuchal fontanelles absent; horn-like protuberance on the anterodorsal edge of the first peripheral; concave dorsal plates of peripherals 4–8 resulting in the formation of a pronounced peripheral gutter; extreme reduction in height and width of posterior peripherals; anterior and posterior neurals wider than long; four neural keel elevations with epineurals dorsal to the junctions of neurals 1–2, 2–3, 4–5, 6–7; single keel elevation dorsal to the first suprapygal terminating immediately anterior to the second suprapygal; dorsal facet of the pygal considerably longer than the ventral facet; distinct notch at the posterior margin of the pygal. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Hendy et al. 2009, Carroll 1988 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (Alabama) | Asmodochelys parhami (type locality: 207057 207338) | |
| Late/Upper Campanian | USA (Mississippi) | Asmodochelys parhami (207339) |