Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 167
... outer lip , has a more clearly defined siphonal canal , and lacks the short marginal digitiform projections of the lower outer lip . Even on the few specimens showing faint axial ribs , where these intersect the spiral bands , no ...
... outer lip , has a more clearly defined siphonal canal , and lacks the short marginal digitiform projections of the lower outer lip . Even on the few specimens showing faint axial ribs , where these intersect the spiral bands , no ...
Page 183
... outer surface of anterior canal , flattened bands becoming obscure , divided by shallow incised lines on lower body whorl . No axial sculpture apart from faint growth lines , and several aperture margin ridges in larger specimens ...
... outer surface of anterior canal , flattened bands becoming obscure , divided by shallow incised lines on lower body whorl . No axial sculpture apart from faint growth lines , and several aperture margin ridges in larger specimens ...
Page 193
... outer lip , around lower body whorl , to midpoint of columella callus ; second , less clearly defined groove anterior to strong groove , neither groove marked on inner surface of outer lip . Remarks Three major differences separate the ...
... outer lip , around lower body whorl , to midpoint of columella callus ; second , less clearly defined groove anterior to strong groove , neither groove marked on inner surface of outer lip . Remarks Three major differences separate the ...
Contents
The Elandsfontein material | 31 |
The Zululand specimen | 39 |
Acknowledgements | 53 |
Copyright | |
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Common terms and phrases
50 m Complex abbreviations Annals anteriorly apelex author's name Avontuur Barnard Benguela body whorl brachial valve brachiopods calvus canines Cape Province Cape Town Carrington & Kensley Ciconia coast columella Concholepas conjoined valves crura cusp deltidial plates deposits depth described Description Shell Diaphus distal dorsal dune early Pleistocene Elandsfontein elongate fauna figures fossil Gastropoda genus Geronticus Gnathopod Haughton Hendey high sea-level hinge Holotype Hondeklip Zone Hottentot Hulley italics Kilburn Lampanyctus Langebaanweg lanternfishes length limnetes loop mandible margin material Megerlia mexicanus Mollusca Myctophidae Myctophum Nafpaktitis nigrescens Ocean outer lip paratypes parentheses pedicle pedicle valve photophore Pliocene posterior postnatal whorls present recorded references region ribs rounded Saldanha Bay scientific name sclerites sculpture separates Skurwerug slightly Smith socket ridges South African Museum species specific name specimens spiral lirae subheadings Synonymy Table Tankard tooth Triphoturus upper USNM valve interior ventral views of conjoined width Xenobrochus