Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 140
... becoming longer than spire , in adult spire 1 in aperture . Apical whorl ( protoconch ) diam . 0.75 mm . Whorls ( total ) 7 , perhaps 8 , broadening rapidly from 3rd or 4th whorl onwards . Parietal callus thick , intervening between ...
... becoming longer than spire , in adult spire 1 in aperture . Apical whorl ( protoconch ) diam . 0.75 mm . Whorls ( total ) 7 , perhaps 8 , broadening rapidly from 3rd or 4th whorl onwards . Parietal callus thick , intervening between ...
Page 155
... becoming irregular and indistinct ; crossed by 4 spiral lirae on 1st and 2nd whorls , 5 on 3rd , lirae becoming costae on later whorls and increasing in number to 10-12 on last whorl , with 12-15 additional ones on base ; on last whorl ...
... becoming irregular and indistinct ; crossed by 4 spiral lirae on 1st and 2nd whorls , 5 on 3rd , lirae becoming costae on later whorls and increasing in number to 10-12 on last whorl , with 12-15 additional ones on base ; on last whorl ...
Page 196
... becoming a varix , the intervening 2 ( sometimes in later whorls only one ) becoming peripheral knobs , not crossing base in later whorls ; each varix with a strong but slender pinnate shoulder spine , followed by 5 ( 3 on outer lip , 2 ...
... becoming a varix , the intervening 2 ( sometimes in later whorls only one ) becoming peripheral knobs , not crossing base in later whorls ; each varix with a strong but slender pinnate shoulder spine , followed by 5 ( 3 on outer lip , 2 ...
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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