Annals of the South African Museum, Volume 46The Museum, 1963 - Natural history |
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Page 236
... tooth is loosely held by its alveolus ( stage I ) . It shows no signs of wear and is terminated by three small cusps . The upper portion of the crown is slightly narrower antero - posteriorly than the lower , and the tooth therefore has ...
... tooth is loosely held by its alveolus ( stage I ) . It shows no signs of wear and is terminated by three small cusps . The upper portion of the crown is slightly narrower antero - posteriorly than the lower , and the tooth therefore has ...
Page 249
... Tooth replacement Only in one case are a functional tooth and its successor preserved and visible in a single alveolus . This supplies important information on how tooth replacement actually takes place , and details on the structure of ...
... Tooth replacement Only in one case are a functional tooth and its successor preserved and visible in a single alveolus . This supplies important information on how tooth replacement actually takes place , and details on the structure of ...
Page 507
... tooth position 2 and initiated the development of a tooth at this position . The tooth at position 1 is larger . In figure 13 C the first impulse has passed position 3 where it initiated the development of a tooth . A second impulse ...
... tooth position 2 and initiated the development of a tooth at this position . The tooth at position 1 is larger . In figure 13 C the first impulse has passed position 3 where it initiated the development of a tooth . A second impulse ...
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Common terms and phrases
abdomen alveolus apical arranged atrial Barnard basal base black type arabic Brnrd canine Cape Province Cape Town cingular cusp coast collection colony crown cynodonts dead dentary dentition described Description developed Diademodon diameter distal dorsal view Ecnomus Ericiolacerta erupted False Bay fathoms female genus gonad gonothecae Hartmeyer holotype hydrocladia hydrotheca incisors inner internode Jonkeria labial larvae legs length lingual lobes longitudinal male mandible margin material maxilla median Michaelsen Millard Name of author Natal nematothecae numerals without prefix pair Palaeontology palp paper papillae Papio Parapapio plate Polychaeta postcanine row postcanines posterior present protoconch replacing tooth SAMH sclerite segment setae side siphons slender slightly Sluiter South African Museum species spines stem surface synonymy Tapinocephalia teeth tergite thorax Thrinaxodon tooth replacement Transvaal transverse Trichoptera type arabic numerals type specimen ventral volume number wellsi whorls yellowish zooids Zool Zoology Zoology and Palaeontology Zoology excl