Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 430
... central pits are V - shaped , their hollowed portions being continuous with each other in the region between the two pillars , while the central pit of the posterior pillar is continuous with a small central pit of the talonid . The central ...
... central pits are V - shaped , their hollowed portions being continuous with each other in the region between the two pillars , while the central pit of the posterior pillar is continuous with a small central pit of the talonid . The central ...
Page 437
... central pit of the anterior pillar is shaped like a bow- tie , in that the anterior portion is triangular in shape , and the central pit is still obvious , as also the posterior portion , but in between the two enamel lips are lying ...
... central pit of the anterior pillar is shaped like a bow- tie , in that the anterior portion is triangular in shape , and the central pit is still obvious , as also the posterior portion , but in between the two enamel lips are lying ...
Page 467
... central pit stretches between the hypoconid and the enamel ridge , which links entostylid - to- entoconid - to - protoconid . There is a small cingulum on the lingual surface . There are two hollow roots , a posterior one below the ...
... central pit stretches between the hypoconid and the enamel ridge , which links entostylid - to- entoconid - to - protoconid . There is a small cingulum on the lingual surface . There are two hollow roots , a posterior one below 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