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Scelidodon
Taxonomy
Scelidodon was named by Ameghino (1881).
It was synonymized subjectively with Catonyx by McDonald and Perea (2002); it was synonymized subjectively with Scelidotherium by Corona et al. (2013).
It was assigned to Megalonychidae by Oliver Schneider (1926); to Mylodontidae by Rovereto (1914) and Carroll (1988); and to Scelidotheriinae by Miño-Boilini et al. (2009).
It was synonymized subjectively with Catonyx by McDonald and Perea (2002); it was synonymized subjectively with Scelidotherium by Corona et al. (2013).
It was assigned to Megalonychidae by Oliver Schneider (1926); to Mylodontidae by Rovereto (1914) and Carroll (1988); and to Scelidotheriinae by Miño-Boilini et al. (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Scelidodon Ameghino p. 307 |
| 1914 | Scelidodon Rovereto p. 91 |
| 1926 | Scelidodon Oliver Schneider p. 146 |
| 1988 | Scelidodon Carroll |
| 2009 | Scelidodon Miño-Boilini et al. p. 375 |
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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. †Scelidodon Ameghino 1881
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†Scelidodon almagroi Rovereto 1914
†Scelidodon chiliense Lydekker 1886
†Scelidodon chiliensis Lydekker 1886
†Scelidodon gracillimus Rovereto 1914
†Scelidodon patrius Ameghino 1891
†Scelidodon pendolai Rovereto 1914
†Scelidodon piauiensis Guérin and Faure 2004
†Scelidodon rothi Ameghino 1908
†Scelidodon tarijensis Gervais and Ameghino 1880
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Miño-Boilini et al. 2009 | Skull elongate, slightly higher. The frontonasal region transversely vaulted, with the nasal chamber bulging. In anterior view, the nasal opening is circular or sub-circular. Premaxillaries less developed, acute in their sagittal joint. Upper pre-dented region as long as or shorter than the maxillary dental series. Mandible robust, the horizontal ramus is high, the ventral margin markedly convex. Mandibular symphysis strongly upward inclined. Mandibular keel very evident. Humerus with diaphysis more robust, Femur, in posterior view and with distal condyles horizontally, with the head in vertical line over the medial condyle, distal epiphysis narrower. |