Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 125
... valve length . Anterior commissure rectimarginate . Hinge line nearly straight , about seven - tenths as wide as valve . Interarea quite high , over one - third as long as valve ; foramen large , triangular , flanked by narrow deltidial ...
... valve length . Anterior commissure rectimarginate . Hinge line nearly straight , about seven - tenths as wide as valve . Interarea quite high , over one - third as long as valve ; foramen large , triangular , flanked by narrow deltidial ...
Page 132
... valve ornament of faint ribs and growth lines but no spines or tubercules . Pedicle short and thick . Pedicle valve strongly and evenly convex in lateral profile ; anterior profile more arched medianly with flatter , sloping flanks ...
... valve ornament of faint ribs and growth lines but no spines or tubercules . Pedicle short and thick . Pedicle valve strongly and evenly convex in lateral profile ; anterior profile more arched medianly with flatter , sloping flanks ...
Page 135
... valve slightly deeper than brachial valve . Anterior commissure sulcate . Hinge line nearly straight , about three - fifths as wide as valve . Beak suberect with large incomplete submesothyridid foramen bounded by small triangular ...
... valve slightly deeper than brachial valve . Anterior commissure sulcate . Hinge line nearly straight , about three - fifths as wide as valve . Beak suberect with large incomplete submesothyridid foramen bounded by small triangular ...
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