Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 13
... apex of each tooth truncate , obscurely denticulate , one of the margins near apex also obscurely denticulate . Length of basal membrane c . 1 mm . , of each tooth c . 2 mm . Shell dull white ; animal ( as preserved ) greenish . 35 ° 4 ...
... apex of each tooth truncate , obscurely denticulate , one of the margins near apex also obscurely denticulate . Length of basal membrane c . 1 mm . , of each tooth c . 2 mm . Shell dull white ; animal ( as preserved ) greenish . 35 ° 4 ...
Page 65
... apex , with slightly convex profiles subtending an angle a little less than 90 ° . Larger specimens ( 21 mm . upwards ) may retain the pointed apex ( largest 42 mm . ) , or show various stages in its envelopment in callus , the final ...
... apex , with slightly convex profiles subtending an angle a little less than 90 ° . Larger specimens ( 21 mm . upwards ) may retain the pointed apex ( largest 42 mm . ) , or show various stages in its envelopment in callus , the final ...
Page 123
... apex ; or much reduced in size . Animal with large foot capable of considerable expansion , its antero- lateral ... apex truncate or excavate 2. Ovate , apex subacute , incurved . a . Almost completely filling aperture b . Not completely ...
... apex ; or much reduced in size . Animal with large foot capable of considerable expansion , its antero- lateral ... apex truncate or excavate 2. Ovate , apex subacute , incurved . a . Almost completely filling aperture b . Not completely ...
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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