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Zapsalis abradens
Taxonomy
Zapsalis abradens was named by Cope (1876). Its type specimen is AMNH 3953, a tooth, and it is a 3D body fossil. It is the type species of Zapsalis.
It was synonymized subjectively with Paronychodon lacustris by Estes (1964); it was considered a nomen dubium by Makovicky and Norell (2004).
It was synonymized subjectively with Paronychodon lacustris by Estes (1964); it was considered a nomen dubium by Makovicky and Norell (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1876 | Zapsalis abradens Cope p. 345 |
| 1877 | Zapsalis abradens Cope p. 572 |
| 1902 | Zapsalis abradens Hay p. 490 |
| 1922 | Zapsalis abradens Matthew and Brown p. 376 |
| 1930 | Zapsalis abradens Hay p. 181 |
| 1939 | Zapsalis abradens Kuhn p. 50 |
| 1970 | Zapsalis abradens Steel p. 45 |
| 2013 | Zapsalis abradens Larson and Currie p. 9 |
| 2014 | Zapsalis abradens Williamson and Brusatte p. 12 |
| 2015 | Zapsalis abradens Currie and Koppelhus p. 626 |
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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.
†Zapsalis abradens Cope 1876
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. W. Larson and P. J. Currie 2013 | Dromaeosaurid with large rounded denticles (usually only on the posterior carina) on the teeth, with crown morphology characterized by a long FABL relative to CH and a straight posterior margin in lateral view relative to other dromaeosaurs and one flattened (presumably lingual) side, forming a semicircle in cross-section. There are also prominent longitudinal Paronychodon-like ridges on both medial and lateral sides. |