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
... pattern that persists from this point pos- teriorly , whereby adjacent wear facets on successive teeth were formed by a lower tooth in staggered occlusion . This pattern becomes very clear when the teeth are viewed normal to the wear ...
... pattern that persists from this point pos- teriorly , whereby adjacent wear facets on successive teeth were formed by a lower tooth in staggered occlusion . This pattern becomes very clear when the teeth are viewed normal to the wear ...
Page 373
... pattern . The best place to begin is with tooth 6 : here it is seen that a second wear facet has started to encroach on a previously existing single facet - the new facet would continue to enlarge and migrate forward as indi- cated by ...
... pattern . The best place to begin is with tooth 6 : here it is seen that a second wear facet has started to encroach on a previously existing single facet - the new facet would continue to enlarge and migrate forward as indi- cated by ...
Page 379
... pattern of Lycorhinus and the occlusal pattern of Heterodonto- saurus . Heterodontosaurus has more strongly ridged teeth with more transverse wear facets , and occlusion is nearly if not entirely opposite . Hopson ( 1980 ) demonstrated ...
... pattern of Lycorhinus and the occlusal pattern of Heterodonto- saurus . Heterodontosaurus has more strongly ridged teeth with more transverse wear facets , and occlusion is nearly if not entirely opposite . Hopson ( 1980 ) demonstrated ...
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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