Annals of the South African Museum, Volume 64The Museum, 1974 - Natural history |
From inside the book
Results 1-3 of 52
Page 24
... structure of the seymouriamorph braincase . And if Procolophon is a captorhinomorph derivative , while Nyctiphruretus is a seymouriamorph , then the similarities between these two genera have arisen independently , pre- sumably in ...
... structure of the seymouriamorph braincase . And if Procolophon is a captorhinomorph derivative , while Nyctiphruretus is a seymouriamorph , then the similarities between these two genera have arisen independently , pre- sumably in ...
Page 138
... structure of the genus by setting it apart from other dicynodonts . Thus Seeley ( 1894 ) was led by the unusual skull roof ( the palate was at that stage unknown ) to regard the genus as being sufficiently far removed from his suborder ...
... structure of the genus by setting it apart from other dicynodonts . Thus Seeley ( 1894 ) was led by the unusual skull roof ( the palate was at that stage unknown ) to regard the genus as being sufficiently far removed from his suborder ...
Page 237
... structure than the possible Campanian descendants of Gobibaatar could be at that time . This indicates that most probably the main stock of ptilodontoid families originated in the first half of the late Cretaceous in North America ...
... structure than the possible Campanian descendants of Gobibaatar could be at that time . This indicates that most probably the main stock of ptilodontoid families originated in the first half of the late Cretaceous in North America ...
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 | |
7 other sections not shown
Other editions - View all
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