Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 277
... prostomium . The laterals on account of the very large prostomial peaks are markedly ventral in origin and each is well tapered and three - quarters the prostomial length . The body is slightly tapered posteriorly and the last 6 ...
... prostomium . The laterals on account of the very large prostomial peaks are markedly ventral in origin and each is well tapered and three - quarters the prostomial length . The body is slightly tapered posteriorly and the last 6 ...
Page 278
... prostomium for half of its length . The lateral antennae are tapered , markedly ventral in origin and equal to the prostomial length . All antennae and cirri are smooth . The palps are fairly large . The elytra cover the whole length of ...
... prostomium for half of its length . The lateral antennae are tapered , markedly ventral in origin and equal to the prostomial length . All antennae and cirri are smooth . The palps are fairly large . The elytra cover the whole length of ...
Page 319
... prostomium is sunk back between the anterior segments which project forwards and outwards so that the front end of the body ( fig . 7ƒ ) appears rounded . The palps are normal and united only at their bases . The small rounded prostomium ...
... prostomium is sunk back between the anterior segments which project forwards and outwards so that the front end of the body ( fig . 7ƒ ) appears rounded . The palps are normal and united only at their bases . The small rounded prostomium ...
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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