Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 131
... extends from in front of notothyrial platform and supports at its distal end a pair of diverging lamellae , extending ventrally . Ventral end of each lamella drawn out into short anteriorly directed prong ; some specimens also bear ...
... extends from in front of notothyrial platform and supports at its distal end a pair of diverging lamellae , extending ventrally . Ventral end of each lamella drawn out into short anteriorly directed prong ; some specimens also bear ...
Page 135
... extending from near umbo becoming broader and more prominent anteriorly ; lateral slopes flat to very gently convex ... extends from close to umbo , becoming broader and deeper anteriorly . Pedicle valve interior with small teeth ...
... extending from near umbo becoming broader and more prominent anteriorly ; lateral slopes flat to very gently convex ... extends from close to umbo , becoming broader and deeper anteriorly . Pedicle valve interior with small teeth ...
Page 137
... extending almost full length of delthyrium ; broad , low , median ridge extends to about two - thirds valve length . Brachial valve interior with strong high socket ridges bounding fairly deep sockets ; no cardinal process . Rounded ...
... extending almost full length of delthyrium ; broad , low , median ridge extends to about two - thirds valve length . Brachial valve interior with strong high socket ridges bounding fairly deep sockets ; no cardinal process . Rounded ...
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