Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 367
Although detailed descriptions of the dentition of Heterodontosaurus tucki Crompton & Charig , 1962 , have not yet appeared , L. angustidens and H. tucki are readily distinguishable on postcanine tooth morphology , angle of wear facets ...
Although detailed descriptions of the dentition of Heterodontosaurus tucki Crompton & Charig , 1962 , have not yet appeared , L. angustidens and H. tucki are readily distinguishable on postcanine tooth morphology , angle of wear facets ...
Page 371
The first point , which has not been stressed previously , is the marked curvature of the postcanine tooth row . When the canine is oriented with its cutting edges in a sagittal plane , the postcanine row curves back strongly labiad .
The first point , which has not been stressed previously , is the marked curvature of the postcanine tooth row . When the canine is oriented with its cutting edges in a sagittal plane , the postcanine row curves back strongly labiad .
Page 372
Postcanine 3 has a small distal cusplet high on the crown . There is some conchoidal fracture of the dentine at the tip of the crown but this does not mask two distinct wear facets dipping slightly away from each other .
Postcanine 3 has a small distal cusplet high on the crown . There is some conchoidal fracture of the dentine at the tip of the crown but this does not mask two distinct wear facets dipping slightly away from each other .
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Common terms and phrases
abbreviations adjacent angle ANNALS anterior appear arrangement author's name authors bears belong bicuspidata canine capital comma consors continue crown damaged demonstrated dentary dentition described designated discussed distal edge evidence figures formed front give given Heterodontosaurus Hopson illustrations impressions included indicated interpretation italics labial Lanasaurus scalpridens larger letters lines Lingual locality look lower teeth Lycorhinus angustidens Haughton mature maxilla maxillary meet mesial migrate Note occlusal opposed orientation original parentheses pattern photographs Polish position possibly Postcanine posterior groove present previously probably published punctuation references replacement result ridge Scale bar scientific name seen separates single slightly Smith South African Museum species specimen stage stage facet staggered striations subheadings surface Synonymy Tables third Three Thulborn tooth tooth row triplets upper upper tooth volume wear facets whereas worn X-rays