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|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Sauropterygia
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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.
|O. Rieppel 2001||Dermal armor forming a carapace; palatoquadrate cartilage persisting in adult in a recess between epipterygoid and quadrate; broad dorsal process of epipterygoid; epipterygoid sutured primarily to palatine; epipterygoid meets squamosal at dorsal margin of posttemporal fossa; squamosal with otic process enclosing the pteroccipital foramen anteriorly; pineal foramen displaced anteriorly; postfrontal broadly excluded from temporal fossa; two maxillary tooth plates; two palatine tooth plates; anterior palatine tooth plates round; retroarticular process short, with sloping surface; tubercular osteoderms secondarily fused to squamosal.|