Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 188
... tusk and surrounding portions of the palate being thus powerfully buttressed by the entire zygoma . The lateral thickening of the snout has a rough , pitted surface , suggesting a covering of horn extending up from above the tusk . The ...
... tusk and surrounding portions of the palate being thus powerfully buttressed by the entire zygoma . The lateral thickening of the snout has a rough , pitted surface , suggesting a covering of horn extending up from above the tusk . The ...
Page 237
... tusk . No notch or break in profile on maxillary margin . Zygomatic arch steeply inclined . Choanal plane at angle to premaxillary palatal plane . Excavated facet on stapes . While all specimens share the above characteristics , the ...
... tusk . No notch or break in profile on maxillary margin . Zygomatic arch steeply inclined . Choanal plane at angle to premaxillary palatal plane . Excavated facet on stapes . While all specimens share the above characteristics , the ...
Page 239
... tusks in Diaelurodon whaitsi and Dicynodon bolorhinus was due to sexual dimorphism , and in 1932 suggested the possibility ... tusk size , and that this variation is correlated with the differences in the nature of the skull roof . There ...
... tusks in Diaelurodon whaitsi and Dicynodon bolorhinus was due to sexual dimorphism , and in 1932 suggested the possibility ... tusk size , and that this variation is correlated with the differences in the nature of the skull roof . There ...
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