Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 307
... setigerous lobe is well developed and bears several setae . The ventral cirrus ( V2 ) is quite definitely similar to those of normal body segments . The third tentacular segment is also distinct but rather narrow and its cylindrical ...
... setigerous lobe is well developed and bears several setae . The ventral cirrus ( V2 ) is quite definitely similar to those of normal body segments . The third tentacular segment is also distinct but rather narrow and its cylindrical ...
Page 320
... lobe of the tentacular segment which is wedged between the prostomium and the first setiger and above it there is a ... setigerous lobe and a ventral cirrus on its lateral margin . The dorsal cirrus is borne on a stumpy cirrophore placed ...
... lobe of the tentacular segment which is wedged between the prostomium and the first setiger and above it there is a ... setigerous lobe and a ventral cirrus on its lateral margin . The dorsal cirrus is borne on a stumpy cirrophore placed ...
Page 340
... lobe is not developed , but the setigerous lobe which is oval and compressed has been called a presetal lobe . Further back in the branchiferous region , a true presetal lobe is formed and may be symmetrical or asymmetrical with a ...
... lobe is not developed , but the setigerous lobe which is oval and compressed has been called a presetal lobe . Further back in the branchiferous region , a true presetal lobe is formed and may be symmetrical or asymmetrical with a ...
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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