Skull morphology of the oldest turtles: a preliminary description of Proganochelys quenstedti.
Skull morphology of the oldest turtles: a preliminary description of Proganochelys quenstedti.
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DOI：
10.1080/02724634.1983.10011953
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发表时间：
1983-01-01
影响因子：
1.4
通讯作者：
Meeker, L.J.
中科院分区：
文献类型：
--
作者：
Gaffney, E.S.;Meeker, L.J.
The skull of the late Triassic turtleProganochelys quenstedtifrom Trossingen, West Germany, shows a number of generalized amniote features not found in any other turtles.Proganochelysretains the supratemporal bone, lacrimal bone, lacrimal duct, movable basipterygoid articulation, and a middle ear that lacks the expansion and bony walls found in other turtles. With a chelonian shellProganochelysis clearly identified as a turtle and is hypothesized as the sister taxon to all other turtles which are in turn hypothesized as a monophyletic group, the Casichelydia, characterized by advanced features of the skull.
