Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 105
... plates very narrow ; inner hinge plates fused medianly to plug of shell material that occupies space bounded by median septum and crural bases . Median ridge thick , supporting proximal ends of crural bases . Dimensions ( mm ) SAM ...
... plates very narrow ; inner hinge plates fused medianly to plug of shell material that occupies space bounded by median septum and crural bases . Median ridge thick , supporting proximal ends of crural bases . Dimensions ( mm ) SAM ...
Page 111
... plates , suggest they belong to the subfamily Aenigmathyridinae Cooper , 1983. Recent members of this subfamily include Abyssothyris , Acrobele- sia and Xenobrochus , and of these Xenobrochus probably best accommodates the specimens ...
... plates , suggest they belong to the subfamily Aenigmathyridinae Cooper , 1983. Recent members of this subfamily include Abyssothyris , Acrobele- sia and Xenobrochus , and of these Xenobrochus probably best accommodates the specimens ...
Page 135
... plates . Narrow triangular palintropes between deltidial plates and beak ridges . Ornamentation of rounded costellae , which increase by branching and intercalation ; 24-33 , most commonly 27 , ribs at 5 mm growth stage on brachial ...
... plates . Narrow triangular palintropes between deltidial plates and beak ridges . Ornamentation of rounded costellae , which increase by branching and intercalation ; 24-33 , most commonly 27 , ribs at 5 mm growth stage on brachial ...
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