Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47 |
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Page 79
Although the normal number of well - marked peripheral lirae is 5 ( not 6 as
Turton stated ) , many specimens show indications , more or less distinct , of 1-4
additional lirae both on the lower and on the upper surfaces . Turton gave a
photo of a ...
Although the normal number of well - marked peripheral lirae is 5 ( not 6 as
Turton stated ) , many specimens show indications , more or less distinct , of 1-4
additional lirae both on the lower and on the upper surfaces . Turton gave a
photo of a ...
Page 156
respectively ( s = suture , 1-4 = sulci ) . c , d , diagram of aperture of Heliacus
africanus Bartsch and asper ( Hinds ) . e , H. numulus n . sp . f , 3 , H. obolos n .
sp . , section of upper surface , and side view . h , i , diagram of umbilicus and last
...
respectively ( s = suture , 1-4 = sulci ) . c , d , diagram of aperture of Heliacus
africanus Bartsch and asper ( Hinds ) . e , H. numulus n . sp . f , 3 , H. obolos n .
sp . , section of upper surface , and side view . h , i , diagram of umbilicus and last
...
Page 213
The surface is covered , but not closely , with small conical granules or tubercles (
contrast sarmaticus ) . Many variations occur in ground - colour and pattern ;
some shells are uniform umber - brown . Except in the latter , two bands differing
in ...
The surface is covered , but not closely , with small conical granules or tubercles (
contrast sarmaticus ) . Many variations occur in ground - colour and pattern ;
some shells are uniform umber - brown . Except in the latter , two bands differing
in ...
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Common terms and phrases
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
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47 Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 1963 |
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