Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 427
... present , being particularly marked on the hypoconid . A small ectostylid is present between the hypoconid and the protoconid . Lingual surface . Rather rugose . Cingulum present . The base of the entostylid can be seen . There is a ...
... present , being particularly marked on the hypoconid . A small ectostylid is present between the hypoconid and the protoconid . Lingual surface . Rather rugose . Cingulum present . The base of the entostylid can be seen . There is a ...
Page 436
... present . The surface is rather rugose . The buccal surface slopes quite markedly towards the apex in a lingual direction . There is no or very slight rounding above the cingulum . A slight cingulum is present on the anterior surface of ...
... present . The surface is rather rugose . The buccal surface slopes quite markedly towards the apex in a lingual direction . There is no or very slight rounding above the cingulum . A slight cingulum is present on the anterior surface of ...
Page 512
... presents a rather flattened appearance . The mesostyle is always present as a persistent , well - marked , rounded ridge extending from the occlusal edge to the cingulum . The parastylid is usually ridged and slanting , being con ...
... presents a rather flattened appearance . The mesostyle is always present as a persistent , well - marked , rounded ridge extending from the occlusal edge to the cingulum . The parastylid is usually ridged and slanting , being con ...
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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