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30 November 2009 Osteology of Andescynodon (Cynodontia: Traversodontidae) from the Middle Triassic of Argentina
Jun Liu, Jaime Powell
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Abstract

All available specimens of Andescynodon mendozensis and Rusconiodon mignonei are examined and restudied, and the latter species is regarded as a junior synonym of the former. The postcranial skeleton of this species is described for the first time; it generally shows primitive features of traversodontids. Andescynodon mendozensis is a small- to medium-sized traversodontid characterized by 9∼11 upper postcanines in adults (fewer in larger individuals), the transverse ridge of upper postcanines lying anteriorly on the tooth, paracanine fossa penetrating the skull roof in adult; it is differentiated from Pascualgnathus by relatively flatten skull, shorter and narrower temporal region, presence of four rather than three upper incisors.

Jun Liu and Jaime Powell "Osteology of Andescynodon (Cynodontia: Traversodontidae) from the Middle Triassic of Argentina," American Museum Novitates 2009(3674), 1-19, (30 November 2009). https://doi.org/10.1206/606.1
Published: 30 November 2009
JOURNAL ARTICLE
19 PAGES

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