Annals of the South African Museum, Volume 45 |
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Page 20
Specimens with thickened outer lip ( with dark lines ) 38 and 42 mm . long .
Voluta ponsonbyi Smith 1901. Smith . loc . cit . , p . 231 , text - fig . 1922. Cooke .
loc . cit . , pp . 7 , 10 , fig . 4 ( radula ) . Spire high , pointed . Aperture 13-17 times
spire ...
Specimens with thickened outer lip ( with dark lines ) 38 and 42 mm . long .
Voluta ponsonbyi Smith 1901. Smith . loc . cit . , p . 231 , text - fig . 1922. Cooke .
loc . cit . , pp . 7 , 10 , fig . 4 ( radula ) . Spire high , pointed . Aperture 13-17 times
spire ...
Page 107
... additional rather sharp lirae on base and 5-6 on rostrum ; intersections with
ribs slightly nodulose . Columella angulate anteriorly , columellar glaze narrow ;
parietal callus feeble ( distinct in Thiele's figure ) ; outer lip with varix , plicate
within .
... additional rather sharp lirae on base and 5-6 on rostrum ; intersections with
ribs slightly nodulose . Columella angulate anteriorly , columellar glaze narrow ;
parietal callus feeble ( distinct in Thiele's figure ) ; outer lip with varix , plicate
within .
Page 110
External parietal callus nodular , internal callus dentiform or subcarinate , labral
sinus deep ; columella subcarinate anteriorly and with 2-3 feeble plicae , glaze
extensive , thickened in adult . Outer lip internally plicate . 32 X 20 mm .
Operculum ...
External parietal callus nodular , internal callus dentiform or subcarinate , labral
sinus deep ; columella subcarinate anteriorly and with 2-3 feeble plicae , glaze
extensive , thickened in adult . Outer lip internally plicate . 32 X 20 mm .
Operculum ...
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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 |