Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 301
... segment seems to be reduced dorsally but not actually fused to the prostomium . The second and third tentacular segments are definitely distinct . The three dorsal tentacular cirri are cylindrical and those on the second and third segment ...
... segment seems to be reduced dorsally but not actually fused to the prostomium . The second and third tentacular segments are definitely distinct . The three dorsal tentacular cirri are cylindrical and those on the second and third segment ...
Page 303
... segment 2. The second and third tentacular segments are distinct and bear long , dorsal , tentacular cirri . Tentacular cirrus V2 is flattened and may even be blade - like in juveniles . Both the second and third tentacular segments ...
... segment 2. The second and third tentacular segments are distinct and bear long , dorsal , tentacular cirri . Tentacular cirrus V2 is flattened and may even be blade - like in juveniles . Both the second and third tentacular segments ...
Page 370
... segments . The whole worm is creamy white , and is tapered posteriorly . The prostomium ( fig . 14g ) is well marked ... segments lack parapodia . Each of these achaetous segments is about 4 times as broad as long . Succeeding segments ...
... segments . The whole worm is creamy white , and is tapered posteriorly . The prostomium ( fig . 14g ) is well marked ... segments lack parapodia . Each of these achaetous segments is about 4 times as broad as long . Succeeding segments ...
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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