Annals of the South African Museum, Volume 45The Museum, 1959 - Natural history |
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Page 170
... shoulder . . 1. Shoulder below middle of whorl . Protoconch diam . 1-1.2 mm . Ist whorl with 12 ribs , increasing to 18 nodules on last whorl . 2. Shoulder at middle of whorl . Protoconch diam . 1.5 mm . 1st whorl with 16-17 ribs ...
... shoulder . . 1. Shoulder below middle of whorl . Protoconch diam . 1-1.2 mm . Ist whorl with 12 ribs , increasing to 18 nodules on last whorl . 2. Shoulder at middle of whorl . Protoconch diam . 1.5 mm . 1st whorl with 16-17 ribs ...
Page 198
... shoulder ; spiral lirae 3 on 1st whorl , uppermost one forming the shoulder , following whorls with lirae above shoulder and intermediaries below , on last whorl respectively 8 and 10-12 , the shoulder lira forming complanate nodules at ...
... shoulder ; spiral lirae 3 on 1st whorl , uppermost one forming the shoulder , following whorls with lirae above shoulder and intermediaries below , on last whorl respectively 8 and 10-12 , the shoulder lira forming complanate nodules at ...
Page 201
... shoulder on 2nd whorl , on 3rd 4 lirae with 2-3 feeble ones above shoulder , on 4th 4-5 or 6 lirae with 4-5 feeble ones above shoulder ; lirae becoming broad and flat with narrow intervals , so that on later whorls the sculpture is more ...
... shoulder on 2nd whorl , on 3rd 4 lirae with 2-3 feeble ones above shoulder , on 4th 4-5 or 6 lirae with 4-5 feeble ones above shoulder ; lirae becoming broad and flat with narrow intervals , so that on later whorls the sculpture is more ...
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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