Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 135
... consisting of a pair of anteroventrally directed diverging lamellae . Each lamella bears , at its distal end , a small prong that projects posteromedianly , and midway down the outer surface of each lamella is an accessory ledge ( or ...
... consisting of a pair of anteroventrally directed diverging lamellae . Each lamella bears , at its distal end , a small prong that projects posteromedianly , and midway down the outer surface of each lamella is an accessory ledge ( or ...
Page 166
... consisting of low irregular flattened spiral lirae of varying widths , becoming obscure in columella area . Lirae +50 on body whorl , difficult to count as wider lirae tend to divide obscurely into several finer bands . Twenty - five ...
... consisting of low irregular flattened spiral lirae of varying widths , becoming obscure in columella area . Lirae +50 on body whorl , difficult to count as wider lirae tend to divide obscurely into several finer bands . Twenty - five ...
Page 198
... consisting of strong , rounded , axial ribs running from upper to lower suture , sometimes alternating from one whorl to next , sometimes continuous . Postnatal whorl 1 with 9 ribs , following 6 whorls each with 8-9 ribs , body whorl ...
... consisting of strong , rounded , axial ribs running from upper to lower suture , sometimes alternating from one whorl to next , sometimes continuous . Postnatal whorl 1 with 9 ribs , following 6 whorls each with 8-9 ribs , body whorl ...
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