Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 141
South African Museum. pattern and that the external adductor muscles inserted on approximately the same portions of the dentary as in other dicynodonts . Thus the lateral division of the external adductor muscle probably arose from the ...
South African Museum. pattern and that the external adductor muscles inserted on approximately the same portions of the dentary as in other dicynodonts . Thus the lateral division of the external adductor muscle probably arose from the ...
Page 227
... external adductor musculature in Lystrosaurus underwent changes which ... muscle masses as they would have appeared with the mandible in this position ... adductor muscles . Thus in Figure 59 the average angle at A is 18 ° , as compared ...
... external adductor musculature in Lystrosaurus underwent changes which ... muscle masses as they would have appeared with the mandible in this position ... adductor muscles . Thus in Figure 59 the average angle at A is 18 ° , as compared ...
Page 232
South African Museum. require strong adductor muscles to support the weight ... external adductor muscles on the jaw axis would become smaller , i.e. the ... muscle until the extended fibres of the posterior part of the adductor muscles ...
South African Museum. require strong adductor muscles to support the weight ... external adductor muscles on the jaw axis would become smaller , i.e. the ... muscle until the extended fibres of the posterior part of the adductor muscles ...
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