Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 178
... mesethmoid early in their evolution . In his work on the cranial development of certain primitive mammals Roux ( 1947 ) followed Broom's ( 1926 , 1927 ) interpretation of the therapsid basicranial axis . He concluded that in those ...
... mesethmoid early in their evolution . In his work on the cranial development of certain primitive mammals Roux ( 1947 ) followed Broom's ( 1926 , 1927 ) interpretation of the therapsid basicranial axis . He concluded that in those ...
Page 181
... mesethmoid as primary median ossifications . The preoptic roots of the orbitosphenoid have secondarily invaded the basicranial axis . In some mammal groups , such as the insectivores described by Roux ( 1947 ) it seems that both ...
... mesethmoid as primary median ossifications . The preoptic roots of the orbitosphenoid have secondarily invaded the basicranial axis . In some mammal groups , such as the insectivores described by Roux ( 1947 ) it seems that both ...
Page 262
... mesethmoid probably arose . Olson assumes that the mesethmoid of therapsids is lost in some mammal groups ( Broom's Palaeotherida ) . It may therefore be concluded that Roux's ( 1947 ) statement that there are but three centres of ...
... mesethmoid probably arose . Olson assumes that the mesethmoid of therapsids is lost in some mammal groups ( Broom's Palaeotherida ) . It may therefore be concluded that Roux's ( 1947 ) statement that there are but three centres of ...
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