Annals of the South African Museum, Volume 92The Museum, 1984 - Natual history |
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Page 162
... ornament in the various specimens studied varies considerably as the figures show . In SAS Z511 ( Fig . 21 ) faint spiral ornament is visible in the area between the ventral tubercles and the lat- eral keel . The suture is finely ...
... ornament in the various specimens studied varies considerably as the figures show . In SAS Z511 ( Fig . 21 ) faint spiral ornament is visible in the area between the ventral tubercles and the lat- eral keel . The suture is finely ...
Page 165
... ornament varies considerably , from densely costate as in SAS Z1616 ( Fig . 27 ) to sparsely costate in NMB D1146 ( Fig . 24 ) . The species may grow to a very large size . The suture is highly incised ( Fig . 28 ) . Discussion In the ...
... ornament varies considerably , from densely costate as in SAS Z1616 ( Fig . 27 ) to sparsely costate in NMB D1146 ( Fig . 24 ) . The species may grow to a very large size . The suture is highly incised ( Fig . 28 ) . Discussion In the ...
Page 245
... ornament is variable , but this depends to some extent on preservation , and is often accentuated through abnormal thickening of the shell as a result of diagenetic growth of calcite . Specimen SAS Z473 ( Fig . 98 ) has much of the ...
... ornament is variable , but this depends to some extent on preservation , and is often accentuated through abnormal thickening of the shell as a result of diagenetic growth of calcite . Specimen SAS Z473 ( Fig . 98 ) has much of the ...
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Common terms and phrases
abdominal segments adult Africa Ammonites antennae apex arthropods Barnard beetles besairiei brown brownish Cape Natal Cape Point Cape Town carcasses cerci Collected Collignon colour Coniacian d'Orbigny December dorsal view dravidicum Kossmat eggs elytra Family fauna genus Grossouvre hatched Head henniei Holotype inner whorls Labium large numbers larvae left lateral view lobe Locality long setae Lucia Formation mandible margae margin Matsumoto maxilla mesal mesothoracic Middle Coniacian Mollusca natalensis nymphs ocelli ornament outer whorls oval pairs of legs pale Paratype Peroniceras Peroniceras Peroniceras Zuluiceras piceous posterior Prionocycloceras pronotum Protexanites Pupa R.S. Africana R.S. Pieter Faure radula radula slide reddish Redtenbacher ribs River SAN DIEGO Santonian setae Shell shiny side South African Museum Sowerby spines spiracles subfamily subtricarinatum suture suture-line Syntypes text-fig Tomlin tridorsatum Schlüter type species umbilical undulatocarinatum Upper Coniacian valves venter ventral view ventrolateral tubercles westphalicum whorl section yellowish zulu Zuluites Zululand