Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 427
... posterior pillar . The buccal enamel of the posterior pillar is U - shaped , while that of the anterior pillar is V - shaped . P1 Buccal surface . Rather rugose enamel . A cingulum is present , being particularly marked on the hypoconid ...
... posterior pillar . The buccal enamel of the posterior pillar is U - shaped , while that of the anterior pillar is V - shaped . P1 Buccal surface . Rather rugose enamel . A cingulum is present , being particularly marked on the hypoconid ...
Page 450
... Posteriorly , the cingulum of the posterior pillar is continuous with the bulging base of the short metastyle . Lingual surface . The enamel is rather rugose . On the anterior pillar there is a marked rounded cingulum , the lower border ...
... Posteriorly , the cingulum of the posterior pillar is continuous with the bulging base of the short metastyle . Lingual surface . The enamel is rather rugose . On the anterior pillar there is a marked rounded cingulum , the lower border ...
Page 477
... posterior groove swings sharply towards the posterior border , while the anterior two slowly separate , and the posterior of these two swings more acutely backwards opposite the second knob . The anterior groove runs up parallel to the ...
... posterior groove swings sharply towards the posterior border , while the anterior two slowly separate , and the posterior of these two swings more acutely backwards opposite the second knob . The anterior groove runs up parallel to the ...
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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