Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47 |
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Page 12
Spiral striae on ist and and whorls , sometimes also on 3rd , evanescent on later
whorls , occasionally traceable at lower end of body whorl . A series of shoulder
nodules developing on later part of and whorl , continued to outer lip , variable in
...
Spiral striae on ist and and whorls , sometimes also on 3rd , evanescent on later
whorls , occasionally traceable at lower end of body whorl . A series of shoulder
nodules developing on later part of and whorl , continued to outer lip , variable in
...
Page 346
Striations and growth - lines sometimes forming a microcancellate sculpture in
the grooves . One to five elongate perforations ; sometimes none ; sometimes an
apical slit , sometimes an apical slit plus 4-5 perforations ( depending on the ...
Striations and growth - lines sometimes forming a microcancellate sculpture in
the grooves . One to five elongate perforations ; sometimes none ; sometimes an
apical slit , sometimes an apical slit plus 4-5 perforations ( depending on the ...
Page 428
Grooves with extremely fine radiating striae , not always visible ; on left valve
grooves normally filled with tiny squamulae arranged in quincunx ; on the right
sometimes present , but usually not ; sometimes only in the lateral grooves .
Purplish ...
Grooves with extremely fine radiating striae , not always visible ; on left valve
grooves normally filled with tiny squamulae arranged in quincunx ; on the right
sometimes present , but usually not ; sometimes only in the lateral grooves .
Purplish ...
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Algoa Bay aperture appears axial Bartsch base become brown Cape capensis central closely collected concentric cusp dead Delagoa Bay diam distinct Distribution Durban East London examples False Bay fathoms figure Fossil granules grooves growth-lines identified intermediaries internally Jaeckel Knysna Krauss larger lateral length less Linn living locality lower margin Martens material metres middle Muir narrow Natal nearly nodules oblique obtained outer P.F. coll pale peripheral Pleistocene Point Port Alfred Port Elizabeth posterior Postnatal whorls present probably Protoconch radial Radula recorded references Remarks ribs River Natal rows Schilder sculpture seems shape shell shows side slightly Smith smooth sometimes South African Museum Sowerby species specimens spiral lirae strong surface suture Table Bay teeth Thiele Tomlin Trifora Turton Type umbilicus upper usually valve Zululand