Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 182
... postnatal whorl . Postnatal whorls ( largest specimen ) 5 ; spire subtending an angle of 30 ° , profile almost straight in early whorls , becoming gently convex later . No axial sculpture , but growth - lines distinct in the spiral ...
... postnatal whorl . Postnatal whorls ( largest specimen ) 5 ; spire subtending an angle of 30 ° , profile almost straight in early whorls , becoming gently convex later . No axial sculpture , but growth - lines distinct in the spiral ...
Page 215
... whorls , alt . 1 , diam . 0.8 mm . , smooth . Postnatal whorls 4 ; axial ribs on 1st whorl 10-11 , on 2nd 11 , on 3rd and 4th 10-11 ( 3rd whorl in two slender specimens with only 9 ribs ) , from suture to suture and extending across ...
... whorls , alt . 1 , diam . 0.8 mm . , smooth . Postnatal whorls 4 ; axial ribs on 1st whorl 10-11 , on 2nd 11 , on 3rd and 4th 10-11 ( 3rd whorl in two slender specimens with only 9 ribs ) , from suture to suture and extending across ...
Page 236
... whorls , bulbous , alt . 1 · 5 , diam . 1.3 mm . , smooth , junction with 1st postnatal whorl not sharply marked , the keel on the latter feeble at the start . Postnatal whorls 7 ( incl . the 36 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... whorls , bulbous , alt . 1 · 5 , diam . 1.3 mm . , smooth , junction with 1st postnatal whorl not sharply marked , the keel on the latter feeble at the start . Postnatal whorls 7 ( incl . the 36 ANNALS OF THE SOUTH AFRICAN MUSEUM.
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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