Annals of the South African Museum, Volume 64The Museum, 1974 - Natural history |
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Page 15
... continues the braincase floor for- wards from the basioccipital although these two bones are separated by a narrow unossified zone . The sides of the braincase too are formed from the basisphenoid , in continuity with the prootic ...
... continues the braincase floor for- wards from the basioccipital although these two bones are separated by a narrow unossified zone . The sides of the braincase too are formed from the basisphenoid , in continuity with the prootic ...
Page 58
... continues all the way to the posterior part of the ear where it receives , on its mesial side , the posterior canal ; it should therefore represent at least the dorsal part of the utri- culus . Ventrally this utriculus communicates ...
... continues all the way to the posterior part of the ear where it receives , on its mesial side , the posterior canal ; it should therefore represent at least the dorsal part of the utri- culus . Ventrally this utriculus communicates ...
Page 235
... continues in early Puercan , and Mesodma , which continues through Clarkforkian ( Krishtalka 1973 ) , the four new genera made their appearance : Mimetodon , Ectypodus , Neoplagiaulax and Parectypodus , the three latter continuing in ...
... continues in early Puercan , and Mesodma , which continues through Clarkforkian ( Krishtalka 1973 ) , the four new genera made their appearance : Mimetodon , Ectypodus , Neoplagiaulax and Parectypodus , the three latter continuing in ...
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 | 47 |
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 lower jaw Lycorhinus Lycorhinus angustidens Lystrosaurus maxilla maxillaire medial Moschorhinidae moyennement multituberculate museau occipital Olson opisthotic ornithischian palate parietal paroccipital pelycosaurs Permian Permien supérieur 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 SAN DIEGO Sigogneau skull roof sousorbitaire specimen squamosal stapes supraoccipital surface suture tarsus teeth terrestrial therapsids Thulborn tibia Triassic upper horizontal groove ventral vertebrates vomer Watongia Whaitsiidae zone à Cistecephalus