Annals of the South African Museum, Volume 31South African Museum, 1950 - Natual history |
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Page 366
South African Museum. combination of characters gives the shell a very distinct shape like that of a wedge ; to these characters is added the complete dis- appearance of costae and dorsal carinae after the neanic stage . The hinge is in ...
South African Museum. combination of characters gives the shell a very distinct shape like that of a wedge ; to these characters is added the complete dis- appearance of costae and dorsal carinae after the neanic stage . The hinge is in ...
Page 411
... characters intermediate between the other two forms , is sharply distinguished in dental characters . There can thus be no doubt that the bontequagga is very distinct from the true zebra despite the many similarities of form and ...
... characters intermediate between the other two forms , is sharply distinguished in dental characters . There can thus be no doubt that the bontequagga is very distinct from the true zebra despite the many similarities of form and ...
Page 420
... characters of the metastyle are of no specific value , and neither the absolute size nor the grooving of the parastyle and mesostyle are entirely constant characters though they may be useful ones . The degree of isolation of the ...
... characters of the metastyle are of no specific value , and neither the absolute size nor the grooving of the parastyle and mesostyle are entirely constant characters though they may be useful ones . The degree of isolation of the ...
Contents
II | 5 |
Pareiasaurian skulls IV V Pareiasaur teeth | 8 |
Bradysaurus baini | 18 |
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Aelurognathus Agulhas Bank Albian anteriorly Anthodon appear B.Oc B.Sph basioccipital basisphenoid beds bone Bradysaurus brain-case Broom canine Cape Province centrum cervicals collected concave convex costae Cretaceous Cynodonts dental formula described distal ectopterygoids epipterygoid fenestra ovalis figured flank forms fossils genera genotype genus glauconite Gorgonops Gorgonopsians groove Haughton Hipposaurus Hoepen holotype incisors intercentrum Interorbital Kitchin Krauss L. W. Collet Lateral view Length from premaxilla lower jaw Lycaenops maxilla median Mfongosi microdon molars narrow Neocomian nodules occiput orbit ornamented P.Orb palate palatines Pareiasaurus parietal paroccipital phosphate pineal foramen plate Pongola Pongola River posterior border posteriorly premaxilla preserved prevomers pro-otic Pter pterygoid pterygoid flanges quadrate ribs ridge shells side skull snout South African Museum species specimens squamosal structure surface suture teeth TEXT-FIG Therapsids Therocephalians tigriceps transverse Trigonia tubera Uitenhage umbo upper vacuity valve ventral margin Ventral view vertebrae Watson Whaitsids width zone Zululand