Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 111
... convex with evenly convex middle portion flanked by short steep sides . Brachial valve subcircular with evenly and gently convex lateral profile ; anterior profile strongly convex with narrow median portion bounded by flatter sides ...
... convex with evenly convex middle portion flanked by short steep sides . Brachial valve subcircular with evenly and gently convex lateral profile ; anterior profile strongly convex with narrow median portion bounded by flatter sides ...
Page 113
... convex in both profiles . Brachial valve subcircular , over nine - tenths as long as pedicle valve , with gently convex profiles . Ventral interior with small teeth not supported by dental plates ; pedicle collar very short , excavate ...
... convex in both profiles . Brachial valve subcircular , over nine - tenths as long as pedicle valve , with gently convex profiles . Ventral interior with small teeth not supported by dental plates ; pedicle collar very short , excavate ...
Page 117
... convex than brachial valve ; moderately convex in lateral profile with maximum convexity in umbonal region ; strongly convex in anterior profile . Brachial valve gently and evenly convex in both profiles . Ventral interior with small ...
... convex than brachial valve ; moderately convex in lateral profile with maximum convexity in umbonal region ; strongly convex in anterior profile . Brachial valve gently and evenly convex in both profiles . Ventral interior with small ...
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