Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 12
... teeth attached in single file to a basal membrane . The teeth are oriented in two groups : those attached to the shorter anterior portion of the membrane project forwards , the more numerous teeth on the posterior portion project ...
... teeth attached in single file to a basal membrane . The teeth are oriented in two groups : those attached to the shorter anterior portion of the membrane project forwards , the more numerous teeth on the posterior portion project ...
Page 393
... teeth and on the buccal and posterior surfaces of the lower teeth have been observed in 294 cases of the 754 pairs of teeth studied ; in six cases , however , two styles were observed on the same tooth , so that the actual proportion of ...
... teeth and on the buccal and posterior surfaces of the lower teeth have been observed in 294 cases of the 754 pairs of teeth studied ; in six cases , however , two styles were observed on the same tooth , so that the actual proportion of ...
Page 509
... teeth studied are : I. NON - METRICAL FEATURES ( a ) Wear . Those teeth which are either unworn or in the early stages of wear provide evidence that the teeth of the lower jaw are hypsodont , while the teeth up the upper jaw are , in ...
... teeth studied are : I. NON - METRICAL FEATURES ( a ) Wear . Those teeth which are either unworn or in the early stages of wear provide evidence that the teeth of the lower jaw are hypsodont , while the teeth up the upper jaw are , in ...
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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