32 pages matching editions:OCLC1647291 in this book
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absent adapted adductor anteosaurids anteriorly appear arch becomes bone border braincase brithopids brithopids and anteosaurids canines carnivores central Europe climate condyle considerable continued coronoid developed Dicynodontia difference Dimetrodon Dinocephalia directed dorsal early therapsids edge Endothiodontidae endothiodonts and dicynodonts enlarged enter extending face fairly families flange forward further galesuchids genera Gorgonopsia greatly groups herbivorous higher sphenacodonts hipposaurids horizontal incisors insertion intertemporal skull table jaw articulation jugal Karoo known lateral lateral face lies Locomotor lower lying mainly maxilla meet Middle Permian moderate morphological orbit origin Otsheria Otsheriidae palate parietal pelycosaurs Phthinosuchus plane position postcanines posterior posteriorly postorbital present primitive progressively prootic pterygoid quadrate reach reduced represented retained shifted short shortened situated squamosal strong structure Styracocephalidae suborder surface tapinocephalids Tapinocephalus zone teeth temporal fenestra temporal muscle Therocephalia titanosuchids tooth Upper Permian variations varying ventrally Venyukovia whereas wide width