TABLE 1 in The first cranium of Axestemys infernalis (Testudines: Trionychidae) from the Lance Formation of Wyoming, USA; an updated description and phylogenetic analysis
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TABLE 1. Selected character variation between known crania of Axestemys infernalis. CharacterDMNS 98814DMNS 130951NSM PV24650MAB 13742Premaxilla - quadrate condyle length14.5 cm15.0 cm16.0 cm9.8 cmSkull roof surfacesmoothsmoothsculpturedsmoothPostorbital expanded ventrallynononoyescontact maxilla - jugal, relative to orbitventralventralventralposteriorExcavation dorsal surface aneabsentextensivemodestmodestPremaxilla ossifiedyes?yesnoVentral surface of maxilla, lateral viewstraightroundedstraightroundedPrefrontal - frontal suturestraightstraighttriangularfusedBasisphenoid - palatine contact presentyesnoyes?
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Zenodo创建时间：
2025-06-10
