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Arkansaurus fridayi
Taxonomy
Arkansaurus fridayi was named by Hunt and Quinn (2018). Its type specimen is UAM 74-16, a set of limb elements (partial right pes), and it is a 3D body fossil. Its type locality is Lockesburg (UAM), which is in an Albian marginal marine sandstone in Arkansas. It is the type species of Arkansaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Arkansaurus fridayi Hunt and Quinn p. 2 |
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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.
†Arkansaurus fridayi Hunt and Quinn 2018
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. K. Hunt and J. H. Quinn 2018 | Ornithomimosaur with a third metatarsal that is laterally compressed proximally but that is still visible along its entire extensor surface and which possesses the following unique combination of synapomorphies: long slender metatarsus; proximal articular facets of the metatarsals ovoid in shape; pedal unguals more strongly ventrally curved distally than any other ornithomimosaur; and the distal ungual has a very weak flexor tubercle, is curved and not flat, and does not have mediolateral spurs. |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Averianov and Yarkov 2004 | |||||