Annals of the South African Museum, Volumes 55-56The Museum., 1969 - Natural history |
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Page 161
... ventral surface of disc pigmented , appearing as small black spots and streaks ( b ) Mucus pores on ventral surface of disc not pigmented 2 6 2 ( a ) Tail long and slender ; snout markedly produced and very pointed R. lanceorostrata ( b ) ...
... ventral surface of disc pigmented , appearing as small black spots and streaks ( b ) Mucus pores on ventral surface of disc not pigmented 2 6 2 ( a ) Tail long and slender ; snout markedly produced and very pointed R. lanceorostrata ( b ) ...
Page 160
... ventral views is complicated by the peculiar proportions of Lystrosaurus , and by the tremendous variation expressed in the number of recognizable species of the genus . For example , an orientation that provides a useful dorsal view in ...
... ventral views is complicated by the peculiar proportions of Lystrosaurus , and by the tremendous variation expressed in the number of recognizable species of the genus . For example , an orientation that provides a useful dorsal view in ...
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
Origin of the South African Clinidae | 105 |
Summary | 115 |
PENRITH M | 119 |
Copyright | |
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Common terms and phrases
Anteosaurus Barnard basal Blennioclinus Boonstra Bradysaurus Broom Bushmen Cape Point Cape Town Caudal fin Caudal peduncle clasper clingfishes Clinidae Clinus Clinus collected colour declivis dentary deposits dicynodonts dorsal fin Emydops False Bay fauna fin bases fishes fossils fourth dorsal spines frontal genera genus Gilchrist & Thompson Haughton head length holotype Hubbs interorbital intertidal Intromittent organ Jonkeria juvenile Lambert's Bay Langebaanweg Lateral line lateral view Lüderitzbucht Lystrosaurus mandible margins maxilla median membrane middle of vent Mouth nasal Nharo nostril notch orbits organ of male palatal paratype pareiasaurs Pavoclinus pelvic pores posterior premaxilla presphenoid Proc Raja region reptiles ridge rostral skull roof Smith South African Museum South West species specimens spiracles standard length superciliosus supraorbital tentacle surface of disc tail Tapinocephalus Tapinocephalus zone teeth therapsids thorns tip of snout Titanosuchus total length upper jaw Valenciennes vertebrates Vomer Zool