Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 178
... basisphenoid ( which extended far forward ) , and , as Broom ( 1927 ) showed , a median element which arose far forward in the skull . This latter element , which lay in the position of the mammalian mesethmoid and in the same position ...
... basisphenoid ( which extended far forward ) , and , as Broom ( 1927 ) showed , a median element which arose far forward in the skull . This latter element , which lay in the position of the mammalian mesethmoid and in the same position ...
Page 179
... basisphenoid . In Lystrosaurus this element fuses with the basisphenoid in the region of the internal carotid canal as a result of shortening of the skull - base in this region . Camp & Welles ( 1956 ) find the same phenomenon in ...
... basisphenoid . In Lystrosaurus this element fuses with the basisphenoid in the region of the internal carotid canal as a result of shortening of the skull - base in this region . Camp & Welles ( 1956 ) find the same phenomenon in ...
Page 262
... basisphenoid and in all likelihood arose in a cartilage derived from the fused trabeculae . From this same cartilage the dorsally situated mesethmoid probably arose . Olson assumes that the mesethmoid of therapsids is lost in some ...
... basisphenoid and in all likelihood arose in a cartilage derived from the fused trabeculae . From this same cartilage the dorsally situated mesethmoid probably arose . Olson assumes that the mesethmoid of therapsids is lost in some ...
Contents
South African Museum Cape Town | 21 |
A review of previous work | 54 |
Origin of the Tapinocephalus zone reptilian fauna | 62 |
Copyright | |
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Common terms and phrases
animals anomodont Anteosaurus anteriorly assemblage Baard's Quarry basicranial axis basioccipital basisphenoid Beaufort bones Boonstra Bradysaurus braincase Broom Bushmen caniniform Cape collected condyle cranial curvatus Daptocephalus dentary deposits described Dicynodon testudirostris dicynodonts Dinocephalia dinocephalian dorsal edge Emydops external adductor muscle fauna fenestra flange foramen fossa fossils frontal frontonasal ridge genera genus geol Gorgonopsia groove groups Haughton Hendey horizon horn cores Incertae sedis interpterygoidal Jonkeria Karoo Langebaanweg lateral Lond Lystrosaurus Lystrosaurus declivis mammals mandible masticatory cycle maxilla mcCaigi median Moschops murrayi musculature nasal Nharo obliquus capitis occipital orbitosphenoid palatine pareiasaurian pareiasaurs Permian plane Pleistocene posterior posteriorly premaxilla presphenoid Pristerognathus Proc pterygoid quadrate region reptiles Reptilia Seeley septum skeleton skin skull roof snout South African Museum species squamosal steenbok Struthiocephalus surface Tapinocephalus zone teeth therapsids therocephalian Titanosuchus traps Triassic Triassic dicynodonts tusk Varswater bed vertebrates whaitsi zool Х Х Х