Annals of the South African MuseumThe Museum, 1982 - Natural history |
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Page 56
... surface is slightly convex occlusocervically with a faint cervical enamel prominence present . The lingual groove is faint and fades imperceptibly approximately half - way down this face . The buccal surface over the hypoconid is rather ...
... surface is slightly convex occlusocervically with a faint cervical enamel prominence present . The lingual groove is faint and fades imperceptibly approximately half - way down this face . The buccal surface over the hypoconid is rather ...
Page 60
... surface is slightly convex incisocervically . Very faint perikymatous lines and a broad but shallow groove are present on this face . Although the cervical extremity of the lingual surface has been damaged , it is evident that a slight ...
... surface is slightly convex incisocervically . Very faint perikymatous lines and a broad but shallow groove are present on this face . Although the cervical extremity of the lingual surface has been damaged , it is evident that a slight ...
Page 65
... surface of the crown . Occlusally , the distal trigon crest is moderately thick but it is incised on its mesial and distal surfaces by a shallow groove . The distal marginal ridge is thick and complete . It is somewhat lower in its ...
... surface of the crown . Occlusally , the distal trigon crest is moderately thick but it is incised on its mesial and distal surfaces by a shallow groove . The distal marginal ridge is thick and complete . It is somewhat lower in its ...
Contents
Janolus longidentatus sp nov | 9 |
Bonisa nakaza gen et sp nov | 19 |
Discussion of the Janolidae | 26 |
Copyright | |
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Ammonites Anteosaurus Anthrop Beaufort West bicuspidata bones Boonstra 1955b Broom Caucasoid cerata Coniacian crenulate enamel crest crown cusp number cuspulid deciduous Deelpan deflecting wrinkle dental dentition distal entoconid fovea fovea posterior frequencies genus Gosau GRINE groove Hanihara Haughton & Brink Hellman Holotype hominid Hovasaurus hypocone hypoconid incisors Jonkeria Kalahari San Klinger & Kennedy Lavelle lingual longidentatus lower molars M₁ M₂ mandibular molars material Matsumoto mesiodistal metaconid Mongoloid morphology Negro and San NHMW paracone paratypes permanent molars phys Piveteau populations present study primary occlusal pattern principal cusp protocone protoconid quinquenodosus rachidian radula Redtenbacher References Boonstra Reginaites samples San and Negro SAN DIEGO San male Santonian second molars sexual dimorphism skull slightly smooth South African Museum South African Negro species Specific diagnosis specimens stangeri Struthiocephalus subfamily Swartkrans Table Tangasaurus taxon teeth Texanites third molars Titanosuchus tooth tubercle tuberculum intermedium tuberculum sextum Turner whorl