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Trionychina (disused)
Taxonomy
Trionychina was named by Gray (1825). It is extant. It was considered monophyletic by Meylan (1987).
It was assigned to Trionychini by Meylan (1987) and Karl (2007).
It was assigned to Trionychini by Meylan (1987) and Karl (2007).
Synonymy list
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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.
Subtr. Trionychina Gray 1825
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Diagnosis
Reference | Diagnosis | |
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P. A. Meylan 1987 | Members of Trionychini with six ossifications in the corpus hyoidis, epipterygoid fusing to the pterygoid in very large adults, and exoccipital partly or completely isolated from the pterygoid by the basioccipital. Differing further from members of the sister subtribe in its primitive retention of complete eighth pleurals and a smaller intermaxillary foramen (about one-third primary palate). |