Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 432
... cingulum is a very marked ridge , and that the central costa of the metacone is not quite confluent with the cingulum at its base . There is a heaped - up ridge of enamel just above the cingulum . Lingual surface . Below the rolled ...
... cingulum is a very marked ridge , and that the central costa of the metacone is not quite confluent with the cingulum at its base . There is a heaped - up ridge of enamel just above the cingulum . Lingual surface . Below the rolled ...
Page 436
... cingulum on the anterior pillar which is less marked on the posterior pillar , and a prominent protostylid leads up from the cingulum . There is a small nodular ectostylid prolonged on to the posterior pillar while there is an elevated ...
... cingulum on the anterior pillar which is less marked on the posterior pillar , and a prominent protostylid leads up from the cingulum . There is a small nodular ectostylid prolonged on to the posterior pillar while there is an elevated ...
Page 485
... cingulum of the anterior pillar . There is a small bulge above the cingulum of the anterior pillar . Lingual surface . Only a small fragment of the entoconid remains , but it can be seen from this that the central costa is flattened ...
... cingulum of the anterior pillar . There is a small bulge above the cingulum of the anterior pillar . Lingual surface . Only a small fragment of the entoconid remains , but it can be seen from this that the central costa is flattened ...
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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