Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 187
... ventral view . in a complex suture , to a point just behind the descending palatal rim . Pos- teriorly the ridge is high and sharp , but flattens out anteriorly . On each side of the ridge is a narrow , deeply incised channel , opening ...
... ventral view . in a complex suture , to a point just behind the descending palatal rim . Pos- teriorly the ridge is high and sharp , but flattens out anteriorly . On each side of the ridge is a narrow , deeply incised channel , opening ...
Page 199
... ventral margin of the labial fossa , in Lystrosaurus this portion of the labial fossa border is formed by the maxilla only . The possibility exists that the pterygoid process of the maxilla represents an ectopterygoid . The palatine is ...
... ventral margin of the labial fossa , in Lystrosaurus this portion of the labial fossa border is formed by the maxilla only . The possibility exists that the pterygoid process of the maxilla represents an ectopterygoid . The palatine is ...
Page 259
... ventral orienta- tion of the snout , in much the same way as deepening and extreme shortening of the Lystrosaurus skull has been shown to be the result of ventral displacement of the palate , so that an effective angle of traction on ...
... ventral orienta- tion of the snout , in much the same way as deepening and extreme shortening of the Lystrosaurus skull has been shown to be the result of ventral displacement of the palate , so that an effective angle of traction on ...
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