Annals of the South African Museum, Volume 97South African Museum, 1985 - Natual history |
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Page 2
... ridges from apical region to siphonal ridge , 5-6 ridges below siphonal ridge , but rapidly becoming obsolete . Siphonal ridge widening distally , strongly and evenly rounded . Axial sculpture consisting of irregularly spaced growth ...
... ridges from apical region to siphonal ridge , 5-6 ridges below siphonal ridge , but rapidly becoming obsolete . Siphonal ridge widening distally , strongly and evenly rounded . Axial sculpture consisting of irregularly spaced growth ...
Page 135
... ridges and fulcral plates bounding narrow deep sockets . Notothyrial platform defined by buttresses joining anterior ends of socket ridges to medium septum ; cardinal process elliptical , weakly developed . Medium septum extends from in ...
... ridges and fulcral plates bounding narrow deep sockets . Notothyrial platform defined by buttresses joining anterior ends of socket ridges to medium septum ; cardinal process elliptical , weakly developed . Medium septum extends from in ...
Page 167
... ridges connected and covered by outer shell layer . Spiral ridges running on to dorsum of siphonal canal . Very faint rounded axial ridges seen in two specimens , 7 ridges between varices , becoming obsolete on body whorl . Remarks Of ...
... ridges connected and covered by outer shell layer . Spiral ridges running on to dorsum of siphonal canal . Very faint rounded axial ridges seen in two specimens , 7 ridges between varices , becoming obsolete on body whorl . Remarks Of ...
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