Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 423
... horn - core or not . The inner , smooth surface may represent a portion of the endocranial occipital region . M. 17029 Oldy . BK II S. This is the anterior border of the flange with two knobs . There is also a smaller knob ( P ) ...
... horn - core or not . The inner , smooth surface may represent a portion of the endocranial occipital region . M. 17029 Oldy . BK II S. This is the anterior border of the flange with two knobs . There is also a smaller knob ( P ) ...
Page 477
... horn - core is fairly complete , but the tip is missing . Just above the base the core turns outwards , and at the base of the second knob it begins to twist posteriorly and laterally , so that the outer surface tends to face anteriorly ...
... horn - core is fairly complete , but the tip is missing . Just above the base the core turns outwards , and at the base of the second knob it begins to twist posteriorly and laterally , so that the outer surface tends to face anteriorly ...
Page 495
... horn - cores differ from other Sivatheriinae , and in particular from the genus Sivatherium , because they are not so branched . He refers to the number and size of the knobs , and the torsion of the horns . However , the question of ...
... horn - cores differ from other Sivatheriinae , and in particular from the genus Sivatherium , because they are not so branched . He refers to the number and size of the knobs , and the torsion of the horns . However , the question of ...
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Common terms and phrases
1st whorl 2nd whorl 3rd whorl 4th whorl additional lirae antennae anteriorly aperture apex axial ribs Bartsch body whorl brown Buccal surface callus camelopardalis Cape Cape Natal capensis central pit central plate cingulum cirri cirrus columella Conch cusps denticles diam distal dorsal cirri Durban elytra enamel False Bay fathoms Fauvel Giraffa groove Holotype Hopefield horn-core hypocone juveniles knobs last whorl later whorls lateral plate length lingual surface M₁ mandible Martens median mesostyle metres molar Museum Natal Occlusal surface Olduvai Operculum outer lip P.F. coll pale parapodium parietal callus periostracum plicate Port Alfred posterior pillar Postnatal whorls Proc prostomium protoconch Protoconch 2 whorls radula Records root rows rugose segments setae setiger setigerous lobe shell Sivatherium slightly Smith smooth South African Sowerby species specimens spiral lirae spiral striae spire suture talonid teeth Thiele Tiefsee Exp Tomlin tooth Turton upper Zool Zoology