Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 105
... hinge 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 ...
... hinge 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 202
... Hinge with 11 elongate ligamental grooves ; hinge width 36,5 mm . Remarks The genus Isognomon is largely a warm - water form . On the west African coast , living Isognomon occurs as far south as the Congo ( Nicklés 1950 : 172 ) . On the ...
... Hinge with 11 elongate ligamental grooves ; hinge width 36,5 mm . Remarks The genus Isognomon is largely a warm - water form . On the west African coast , living Isognomon occurs as far south as the Congo ( Nicklés 1950 : 172 ) . On the ...
Page 204
... hinge line . Posterior adductor scar anteriorly truncate , posteriorly rounded . Hinge line broad , solid ; anterior lateral tooth almost vertical , short , separated from anterior cardinal tooth by triangular pit ; anterior cardinal ...
... hinge line . Posterior adductor scar anteriorly truncate , posteriorly rounded . Hinge line broad , solid ; anterior lateral tooth almost vertical , short , separated from anterior cardinal tooth by triangular pit ; anterior cardinal ...
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