Annals of the South African Museum, Volume 45 |
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Page 31
Aperture slightly shorter than spire ( by about the length of the protoconch ) .
Protoconch 2 whorls , diam . 2 mm . ( but corroded ) . Postnatal whorls 6. Axial
ribs 12-14 on ist whorl ( but this whorl usually corroded ) , 18 on body whorl ,
slightly ...
Aperture slightly shorter than spire ( by about the length of the protoconch ) .
Protoconch 2 whorls , diam . 2 mm . ( but corroded ) . Postnatal whorls 6. Axial
ribs 12-14 on ist whorl ( but this whorl usually corroded ) , 18 on body whorl ,
slightly ...
Page 96
canal 1-1f times , but not very sharply marked off from rest of aperture , straight or
slightly curved and reflexed , narrow . Outer lip not plicate internally .
Periostracum thin , fibrous - fimbriate . 102 x 34 mm . Operculum oval , apex
incurved , 20 X ...
canal 1-1f times , but not very sharply marked off from rest of aperture , straight or
slightly curved and reflexed , narrow . Outer lip not plicate internally .
Periostracum thin , fibrous - fimbriate . 102 x 34 mm . Operculum oval , apex
incurved , 20 X ...
Page 203
There is a slight but distinct difference in the convexity of the profile from apex to
aperture between the figures of the two ... specimens , but there are one or two
fewer axial ribs , and the upper whorls are shouldered slightly below the middle .
There is a slight but distinct difference in the convexity of the profile from apex to
aperture between the figures of the two ... specimens , but there are one or two
fewer axial ribs , and the upper whorls are shouldered slightly below the middle .
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Common terms and phrases
additional African Alfred antennae anterior aperture apex appearance aspect axial ribs band base becoming body breadth broken brown buccal callus Cape central plate cingulum cirri columella Conch cusps dead described developed diam distinct dorsal Durban East enamel examples extending False Bay fathoms figure fish foot fragment groove knobs lateral length less lirae Living lobe lower Makapansgat margin marked Martens material Maximum metres middle Museum narrow Natal Notes occlusal Operculum outer lip P.F. coll pair pale pillar plate Point Port posterior Postnatal whorls present protoconch radula Records Remarks root rostrum rounded rows seen segments setae shell shoulder shows side similar slightly Smith smooth sometimes Sowerby species specimens spiral spiral lirae spire striae surface suture Table Table Bay teeth Thiele Tomlin tooth Turton upper usually
Bibliographic information
| Title | Annals of the South African Museum, Volume 45 Annals of the South African Museum, South African Museum Volume 45 of Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 1960 |
| Original from | the University of California |
| Digitized | 9 Dec 2009 |
| Export Citation | BiBTeX EndNote RefMan |