Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 96, Issues 6-9South African Museum, 1986 - Natural history |
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Page 307
... single fragment of this species shows close similarities to T. ? haughtoni , so that T. renzoni may be a junior synonym . Occurrence Toxoceratoides ? haughtoni occurs in the Upper Aptian of Zululand and Patagonia . Material ...
... single fragment of this species shows close similarities to T. ? haughtoni , so that T. renzoni may be a junior synonym . Occurrence Toxoceratoides ? haughtoni occurs in the Upper Aptian of Zululand and Patagonia . Material ...
Page 309
... single ribs intercalated with bi- or trifurcate ones arising from umbilical tubercles on the final hook . Hamiticeras Anderson , as interpreted here , differs from Tonohamites in its coarse trituberculate and intermediate ribs on the ...
... single ribs intercalated with bi- or trifurcate ones arising from umbilical tubercles on the final hook . Hamiticeras Anderson , as interpreted here , differs from Tonohamites in its coarse trituberculate and intermediate ribs on the ...
Page 323
... single , sinusoidal ribs . Ribbing on the shaft is usually single and slightly prorsiradiate , but at the end of the shaft and in the bend of the crozier bifurcating ribs are common . On the final part of the crozier the ribs are single ...
... single , sinusoidal ribs . Ribbing on the shaft is usually single and slightly prorsiradiate , but at the end of the shaft and in the bend of the crozier bifurcating ribs are common . On the final part of the crozier the ribs are single ...
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Common terms and phrases
Acrioceras Aedeagus Alcyonium variabile ammonites Ammonoidea Anal sternite Ancyloceras apex apical apomorphic Aptian arcuate asymmetrical Barremian of western basal bifid Cape Town capitulum Casey clypeus coenenchyme coiling Colchidites vulanensis australis colonies Colophon Colophon species CPBA Cretaceous d'Orbigny dilated Djanélidzé Dorsal process elytra evenly final hook forms fragments genera geol habitat Hamiticeras haughtoni Helicancylus patagonicus helix Heteroceras Heteroceratinae holotype izardi K. H. Barnard Kakabadze & Kennedy Kakabadze 1971a Klinger & Kennedy Koenen labrum Langeberg Leanza Lectotype Lucanidae Macroconch male mandibles material Metalcyonium montisatris sp morph ornament paessleri Paraimerites paramere Patagonia patagonicum planispiral plesiomorphic polyp primosi pronotum punctate referred ribs Río Mayer Río Mayer Formation Rouchadzé 1933 rounded sclerites shaft South African Museum Spath speciation species groups specimens stalk sternite stokoei Stolley suture line Swartberg Swartberg Range text-fig Thomson tibia Tixier-Durivault Tonohamites trituberculate tubercles Upper Barremian Ventral process vulanensis australis Klinger western Georgia whitei whorl section Zululand