Annals of the South African Museum, Volume 64The Museum, 1974 - Natural history |
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Page 22
... represents a generally reptilian , post - quadrate position . any case The stapes itself is specialized from the presumed primitive condition by the absence of both stapedial foramen and dorsal process . Regarding the latter , it is ...
... represents a generally reptilian , post - quadrate position . any case The stapes itself is specialized from the presumed primitive condition by the absence of both stapedial foramen and dorsal process . Regarding the latter , it is ...
Page 132
... represents the basal portion of the dorsally directed columella of the epipterygoid . A separate skull fragment featuring the basicranial axis confirms this view ( Fig . 12 ) . Anterior to the base of the columella the footplate shows a ...
... represents the basal portion of the dorsally directed columella of the epipterygoid . A separate skull fragment featuring the basicranial axis confirms this view ( Fig . 12 ) . Anterior to the base of the columella the footplate shows a ...
Page 234
... represented by a more advanced species than its ancestor from the Djadokhta Formation , and the eucosmodontid Nemegtbaatar , derived from the Djadokhta genus Bulganbaatar . In addition there are in the Barun Goyot Formation three or ...
... represented by a more advanced species than its ancestor from the Djadokhta Formation , and the eucosmodontid Nemegtbaatar , derived from the Djadokhta genus Bulganbaatar . In addition there are in the Barun Goyot Formation three or ...
Contents
Scientific papers of L D Boonstra | 3 |
The braincase and associated structures of the cotylosaur reptile Procolophon triconiceps | 11 |
On the source of therapsids by E C OLSON | 27 |
Copyright | |
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Common terms and phrases
Africa antérieure anteriorly astragalus basioccipital basisphenoid bone Boonstra bord braincase Broom calcaneum canal canine caniniform Chronofauna Cistecephaloides Cistecephalus complexe para-basisphénoïde condyle cranial crête cynodonts dentary dicynodonts Dimetrodon distal dorsal process edge Eodicynodon être exoccipital fauna fenestra ovalis fenêtre foramen Formation forms fossa fossil frontal genera genus Gondwana Gorgonops gorgonopsians H:B index Haughton Heterodontosaurus holotype Karroo Kawingasaurus kitchingi Kombuisia l'opisthotique late Cretaceous lateral Lycorhinus Lycorhinus angustidens Lystrosaurus maxilla maxillaire medial Moschorhinidae Moschorhinus moyennement multituberculate museau occipital Olson opisthotic ornithischian palate parietal pelycosaurs Permian Permien supérieur pineal Pisanosaurus postcanine postérieure posterior posteriorly postorbital pr.q.Pt premaxilla prémaxillaire premaxillary preparietal primitive processus carré Procolophon prootic prootique pterygoid ptérygoïde quadrate région reptiles Reptilia ridge Romer Sigogneau skull roof sousorbitaire South African Museum specimen squamosal stapes supraoccipital surface suture tarsus teeth terrestrial therapsids Thulborn tibia Tigrisuchus Triassic upper horizontal groove ventral vertebrates vomer Watongia Whaitsiidae zone à Cistecephalus