Annals of the South African Museum, Volume 60, Issue 4The Museum, 1972 - Natural history |
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Page 178
... Genus LITTORINA Fig . 3 Shell squat , profile evenly convex , with simple protoconch of one whorl , plus 3-4 postnatal whorls . Aperture broadly oval . Sculpturing either entirely absent , or with very faint spiral lirae visible on body ...
... Genus LITTORINA Fig . 3 Shell squat , profile evenly convex , with simple protoconch of one whorl , plus 3-4 postnatal whorls . Aperture broadly oval . Sculpturing either entirely absent , or with very faint spiral lirae visible on body ...
Page 181
... genus Turris , especially T. cingulifera , which it resembles in the spiral sculpture and the aperture shape . Order OPISTHOBRANCHIATA Family Pyramidellidae Turbonilla kraussi Clessin Turbonilla kraussi : Barnard , 1962 : 190 ; 1963a ...
... genus Turris , especially T. cingulifera , which it resembles in the spiral sculpture and the aperture shape . Order OPISTHOBRANCHIATA Family Pyramidellidae Turbonilla kraussi Clessin Turbonilla kraussi : Barnard , 1962 : 190 ; 1963a ...
Page 182
... genus Turbonilla , although the number of postnatal whorls ( 6 ) is low for the genus . The lack of sculpturing is also not characteristic of the genus , while several species of Pyramidella such as P. ima Bartsch , and P. hera Bartsch ...
... genus Turbonilla , although the number of postnatal whorls ( 6 ) is low for the genus . The lack of sculpturing is also not characteristic of the genus , while several species of Pyramidella such as P. ima Bartsch , and P. hera Bartsch ...
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Common terms and phrases
African marine Mollusca Algoa Bay area alive from Saldanha assemblage axial ribs Bay to Natal body whorl BRACHIOPODA Cape Peninsula Cape Province Cellana capensis Clavatula columella complete internal cast complete specimens Crassispira Description Shell Diodora parviforata Donacidae Donax cf Donax sp faint spiral lirae False Bay fossils Gastropoda genus groove growth lines Haughton Hendey indurated phosphate rock knowledge of South Langebaanweg Littorina living material marine deposits Material Numerous examples Material One specimen midae Namaqualand Namaqualand coast non-phosphatic sand oblique undulations outer lip Oxystele tigrina Patella Patella granularis Patellidae PELECYPODA Pleistocene Pliocene Polyplacophora posterior face postnatal whorls present material present species present specimen Prosobranchiata protoconch quarry Remarks No differences rest of shell Saldanha Bay sand and silt sand-dwelling sanguineum serra Siphonaria sp South African marine South African Museum species of Haliotis spiral sculpture synonymy Thais dubia Tricolia neritina Turbo sarmaticus Turbonilla kraussi Turris vertebrates west coast