Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 369
... teeth have a symmetrical cold - chisel shape with a constant included angle of about 75 ° between wear facets and labial crown surfaces . ( The narrower teeth of L. scalpridens have an included angle of 45 ° . Thus , although the angle ...
... teeth have a symmetrical cold - chisel shape with a constant included angle of about 75 ° between wear facets and labial crown surfaces . ( The narrower teeth of L. scalpridens have an included angle of 45 ° . Thus , although the angle ...
Page 372
... teeth , which is argued in detail later . The condition of the labio- distal surface of 2 is not clear due to adherent matrix , but it does seem confluent with the anterior facet on 3 . Postcanine 3 has a small distal cusplet high on ...
... teeth , which is argued in detail later . The condition of the labio- distal surface of 2 is not clear due to adherent matrix , but it does seem confluent with the anterior facet on 3 . Postcanine 3 has a small distal cusplet high on ...
Page 373
... teeth could have been present in the living dentary ( see Fig . 3 ) . This dentition contains ample evidence of a staggered occlusal arrangement between upper and lower teeth . In Figure 2 vertical lines above teeth indicate where upper ...
... teeth could have been present in the living dentary ( see Fig . 3 ) . This dentition contains ample evidence of a staggered occlusal arrangement between upper and lower teeth . In Figure 2 vertical lines above teeth indicate where upper ...
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Common terms and phrases
abbreviations according to chronology age from front ANNALS bicuspidata Gould canine Cape Town Crompton & Charig crown is damaged cusplet dentary tooth dentition described Haughton distal ridges edges of occluding facet forms facet migrates figures Gastropoda Heterodontosaurus tucki holotype Hopson included angle indicated labial surface Labial view Lanasaurus scalpridens Gow Leda Lingual view Lingually and labially lower teeth Lyco Lycorhinus angustidens Haughton Lycorhinus consors Thulborn Lycorhinus type maxilla belonged maxillary mesiodistal namacolus Nucula occluding upper occlusal view opposing upper paper paratypes parentheses photographs Postcanine posterior groove punctuation REFERABLE TO LYCORHINUS registration number replacement rhinus Roman numerals sagittal plane Santa Luca saurus Scale bar scientific name second wear stage separate author's name shouldered italics Smith South African Museum species specimen UCL A100 staggered occlusal Steps between adjacent striations subheadings are shouldered Synonymy arrangement tooth row triplets UCL A100 Thulborn upper tooth volume number Von Huene wear facets wear stage facet X-rays