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Hutchemys acupictus
Taxonomy
Plastomenus acupictus was named by Hay (1907). Its type specimen is AMNH 1025, a partial shell (costals, hypoplastron, and xiphiplastron), and it is a 3D body fossil. Its type locality is Chaco Cañon neighborhood, which is in a Puercan/Torrejonian terrestrial horizon in the Nacimiento Formation of New Mexico.
It was recombined as Derrisemys acupictus by Hutchison (2009); it was recombined as Hutchemys acupictus by Vitek and Joyce (2015).
It was recombined as Derrisemys acupictus by Hutchison (2009); it was recombined as Hutchemys acupictus by Vitek and Joyce (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Plastomenus acupictus Hay p. 852 |
| 1908 | Plastomenus acupictus Hay p. 470 fig. 629 |
| 1930 | Plastomenus acupictus Hay p. 106 |
| 1986 | Plastomenus acupictus Sullivan and Lucas p. 204 |
| 2009 | Derrisemys acupictus Hutchison |
| 2015 | Hutchemys acupictus Vitek and Joyce |
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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.
†Hutchemys acupictus Hay 1907
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. H. Hutchison 2009 | Hypoplastron bridge relatively narrow and
inguinal notch wide; xiphiplastron distinctly shorter than wide; hyo-hypoplastral suture angles anteriorly near the bridge; hyo-xiphiplastral suture convex posteriorly; dorsal surface of C6–8 without shelf-like projection over the ventral surface at the distal margins. |