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
... edge of the crown and it eliminates subjective reference to vertical and horizontal axes . More anterior teeth have taller crowns , whereas mesiodistal crown width increases towards the back of the tooth row . The crowns have mesial and ...
... edge of the crown and it eliminates subjective reference to vertical and horizontal axes . More anterior teeth have taller crowns , whereas mesiodistal crown width increases towards the back of the tooth row . The crowns have mesial and ...
Page 371
... edge ( the worn area is covered with matrix grains firmly adhering to the dentine surface ) . Postcanine 2 has a worn occlusal edge to the crown ; it also has a mesiolabial wear facet almost certainly formed when the erupted tooth made ...
... edge ( the worn area is covered with matrix grains firmly adhering to the dentine surface ) . Postcanine 2 has a worn occlusal edge to the crown ; it also has a mesiolabial wear facet almost certainly formed when the erupted tooth made ...
Page 372
... edge of 8. By tilting the specimen it is poss- ible to see that this facet lies on the same arc as the distal facet on 7 - these facets are thus attributable to the same upper tooth . The author is not convinced that there is sufficient ...
... edge of 8. By tilting the specimen it is poss- ible to see that this facet lies on the same arc as the distal facet on 7 - these facets are thus attributable to the same upper tooth . The author is not convinced that there is sufficient ...
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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