Annals of the South African Museum, Volume 64The Museum, 1974 - Natural history |
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Page 223
... early amphibians generally . Had early limb development been for the ' purpose ' of exploring land life , one would expect that the post- Devonian history of early amphibians would have exhibited the retention and even improvement of ...
... early amphibians generally . Had early limb development been for the ' purpose ' of exploring land life , one would expect that the post- Devonian history of early amphibians would have exhibited the retention and even improvement of ...
Page 225
... early developed and in a few cases , such as Permian dissorophoids and seymouriamorphs , were not merely retained ... EARLY REPTILES What was the mode of life of the earliest reptiles , descended from water- dwelling amphibian ancestors ...
... early developed and in a few cases , such as Permian dissorophoids and seymouriamorphs , were not merely retained ... EARLY REPTILES What was the mode of life of the earliest reptiles , descended from water- dwelling amphibian ancestors ...
Page 227
... early reptile history suggesting a primitive retention of an amphibious to aquatic habit ? Apart from the primitive limnoscelids , there are two positive examples of water - dwelling reptiles which are of such an early age that it seems ...
... early reptile history suggesting a primitive retention of an amphibious to aquatic habit ? Apart from the primitive limnoscelids , there are two positive examples of water - dwelling reptiles which are of such an early age that it seems ...
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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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