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 367
... maxilla Lycorhinus angustidens Discussion Acknowledgements References .. CONTENTS PAGE 367 368 371 379 379 380 INTRODUCTION In 1984 James Kitching and the author collected a tooth - bearing left maxilla of an Early Jurassic ...
... maxilla Lycorhinus angustidens Discussion Acknowledgements References .. CONTENTS PAGE 367 368 371 379 379 380 INTRODUCTION In 1984 James Kitching and the author collected a tooth - bearing left maxilla of an Early Jurassic ...
Page 371
... maxilla that opposed the type dentary of Lycorhinus , as demonstrated below . X - rays of the specimen reveal root canals filled with dense haematite ; these show that only a very thin layer of maxillary bone roofs the deep tooth ...
... maxilla that opposed the type dentary of Lycorhinus , as demonstrated below . X - rays of the specimen reveal root canals filled with dense haematite ; these show that only a very thin layer of maxillary bone roofs the deep tooth ...
Page 379
... maxilla was larger than the maxilla of Heterodontosaurus . The new maxilla is still larger , and fits the Lyco- rhinus dentary rather well ; thus Lycorhinus could well have been a larger animal than Heterodontosaurus . On the basis of ...
... maxilla was larger than the maxilla of Heterodontosaurus . The new maxilla is still larger , and fits the Lyco- rhinus dentary rather well ; thus Lycorhinus could well have been a larger animal than Heterodontosaurus . On the basis of ...
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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