Annals of the South African MuseumThe Museum, 1982 - Natural history |
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Page 57
... groove . The mesial transverse groove is narrow and relatively shallow , and it is incompletely enclosed behind by short , access- ory transverse crests from the metaconid and protoconid . A short , narrow longitudinal groove separates ...
... groove . The mesial transverse groove is narrow and relatively shallow , and it is incompletely enclosed behind by short , access- ory transverse crests from the metaconid and protoconid . A short , narrow longitudinal groove separates ...
Page 61
... groove is situated distad to the mesiobuccal groove - and thus the primary occlusal fissure pattern is symmetrically Y - shaped . The distal marginal ridge is represented by a small cuspulid ( the tuberculum sextum ) which is demarcated ...
... groove is situated distad to the mesiobuccal groove - and thus the primary occlusal fissure pattern is symmetrically Y - shaped . The distal marginal ridge is represented by a small cuspulid ( the tuberculum sextum ) which is demarcated ...
Page 65
... groove drains this basin near the middle of its mesial aspect , and this groove is continuous with the deep , narrow lingual groove between the protocone and hypocone . The lingual surface over the hypocone is moderately convex ...
... groove drains this basin near the middle of its mesial aspect , and this groove is continuous with the deep , narrow lingual groove between the protocone and hypocone . The lingual surface over the hypocone is moderately convex ...
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