Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 223
... region . In Lystrosaurus on the other hand , the presphenoid lies immediately anterior to the carotid artery canals and hypophyseal region , and above the interptery- goidal suture . Similarly , the orbitosphenoid in Lystrosaurus lies ...
... region . In Lystrosaurus on the other hand , the presphenoid lies immediately anterior to the carotid artery canals and hypophyseal region , and above the interptery- goidal suture . Similarly , the orbitosphenoid in Lystrosaurus lies ...
Page 257
... region , while the interorbital region on the other hand appears to be remarkably broad . Efremov ( 1951 ) subsequently placed this specimen in a new genus , Rhadiodromus . While the presence of Lystrosaurus ( including South African ...
... region , while the interorbital region on the other hand appears to be remarkably broad . Efremov ( 1951 ) subsequently placed this specimen in a new genus , Rhadiodromus . While the presence of Lystrosaurus ( including South African ...
Page 264
... region suggests that Lystrosaurus had retained a basically primitive system of occipital and atlanto- axial muscles . However , this essentially reptilian musculature was modified to allow a degree of flexure and extension at the ...
... region suggests that Lystrosaurus had retained a basically primitive system of occipital and atlanto- axial muscles . However , this essentially reptilian musculature was modified to allow a degree of flexure and extension at the ...
Contents
BEAUFORT BEDS OF THE KAROO | 2 |
A review of previous work | 22 |
The nonreptilian elements in the fauna and the flora | 29 |
Copyright | |
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animals Anteosaurus anteriorly articular Baard's Quarry basicranial axis basioccipital basisphenoid bone Boné & Singer Boonstra Bovidae Bradysaurus braincase Broom Bushmen Cape condyle cranial Daptocephalus dentary deposits described Dicynodon testudirostris dicynodonts Dinocephalia dinocephalian Emydops Equus Ewer external adductor muscle Family fenestra foramen fossa fossils frontal frontonasal ridge genera genus Gorgonopsia groove groups Haughton Hendey Hipparion horizon horn cores Incertae sedis inserted interpterygoidal Jonkeria Karoo Kingoria Kleinzee Langebaanweg Langebaanweg fauna Lystrosaurus Lystrosaurus declivis mammalian mammals mandible masticatory cycle maxilla median Moschops murrayi musculature nasal Nharo obliquus capitis occipital Olduvai orbitosphenoid ossification palatal rim palatine pareiasaurs Permian Pleistocene Pliocene posterior posteriorly premaxilla present presphenoid Pristerodon prootic pterygoid quadrate Quarry assemblage referred region represented reptiles septum shoreline skull roof snout South African Museum species specimens squamosal Struthiocephalus surface Tapinocephalus Tapinocephalus zone teeth therapsids therocephalian Titanosuchus trap tusk Varswater bed vertebrates