Annals of the South African Museum, Volume 56The Museum, 1971 - Natural history |
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Page 175
... presphenoidal plate . Common to all species of Lystrosaurus is a shortening of the skull base anterior to the basioccipital . Thus the presphenoid ossification , usually far forward in dicynodonts , lies immediately in front of the ...
... presphenoidal plate . Common to all species of Lystrosaurus is a shortening of the skull base anterior to the basioccipital . Thus the presphenoid ossification , usually far forward in dicynodonts , lies immediately in front of the ...
Page 181
... presphenoid . Haines ( 1950 ) has described the ossified interorbital septum in a variety of mammals , showing that this bone is in contact with the mammalian presphenoid , which he defines ( p . 585 ) as ' ... the bone in the adult ...
... presphenoid . Haines ( 1950 ) has described the ossified interorbital septum in a variety of mammals , showing that this bone is in contact with the mammalian presphenoid , which he defines ( p . 585 ) as ' ... the bone in the adult ...
Page 262
... presphenoid , is present . Haines ( 1950 ) has shown that a bony interorbital septum is present in several mammals , and defines the mammalian presphenoid as being the bone in the adult skull which , separate in most mammals , ossifies ...
... presphenoid , is present . Haines ( 1950 ) has shown that a bony interorbital septum is present in several mammals , and defines the mammalian presphenoid as being the bone in the adult skull which , separate in most mammals , ossifies ...
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