Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 426
... surface , where in contact with the posterior pillar of M2 , is almost completely worn away . M2 Buccal surface . There is a cingulum with a rounded bulge above it . Coarse rugosity . Its characteristics are generally similar to those ...
... surface , where in contact with the posterior pillar of M2 , is almost completely worn away . M2 Buccal surface . There is a cingulum with a rounded bulge above it . Coarse rugosity . Its characteristics are generally similar to those ...
Page 427
... buccal enamel of the posterior pillar is U - shaped , while that of the anterior pillar is V - shaped . PA Buccal surface . Rather rugose enamel . A cingulum is present , being particularly marked on the hypoconid . A small ectostylid ...
... buccal enamel of the posterior pillar is U - shaped , while that of the anterior pillar is V - shaped . PA Buccal surface . Rather rugose enamel . A cingulum is present , being particularly marked on the hypoconid . A small ectostylid ...
Page 429
... surface . The central pits of the anterior and posterior pillars are still visible . M2 Buccal surface . The buccal portion of the posterior pillar and the roots are broken away , and the surface of the anterior pillar has a rather ...
... surface . The central pits of the anterior and posterior pillars are still visible . M2 Buccal surface . The buccal portion of the posterior pillar and the roots are broken away , and the surface of the anterior pillar has a rather ...
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Common terms and phrases
1st whorl 2nd whorl 3rd whorl 4th whorl additional lirae Algoa Bay 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 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