Annals of the South African MuseumThe Museum, 1978 - Natual history |
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Page 102
Maximum whorl breadth is low on the flanks ; the inner flanks are flattened , the
outer flanks convergent ; a distinct ventrolateral shoulder ... They pass forwards
across the inner flank , strengthening as they do so , and sometimes splitting ( Fig
.
Maximum whorl breadth is low on the flanks ; the inner flanks are flattened , the
outer flanks convergent ; a distinct ventrolateral shoulder ... They pass forwards
across the inner flank , strengthening as they do so , and sometimes splitting ( Fig
.
Page 114
The inner flank is flattened to concave , with gently rounded , convergent outer
flanks , converging to an acute , delicately keeled venter . The inner , concave
part of the flank is virtually smooth where shell is present , due to weathering . On
the ...
The inner flank is flattened to concave , with gently rounded , convergent outer
flanks , converging to an acute , delicately keeled venter . The inner , concave
part of the flank is virtually smooth where shell is present , due to weathering . On
the ...
Page 215
The flank ribs meet the well - developed ventrolateral clavi either singly or in
pairs , with six to eight ribs in a distance equal to the whorl height . Across the
venter , ribs are single or looped . Discussion The only species with which the
present ...
The flank ribs meet the well - developed ventrolateral clavi either singly or in
pairs , with six to eight ribs in a distance equal to the whorl height . Across the
venter , ribs are single or looped . Discussion The only species with which the
present ...
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Common terms and phrases
abbreviation Africa Albian Ammonites Anisoceras appear Aptian author's name authors Barnard bearing BMNH body body chamber burchelli Cape Town capital Casey closely Collected colony compressed Cretaceous described Description designated developed diameter differs Discussion distal dorsal Equus Family fauna female figures flank Formation four genus Holotype illustrations included indicated infertile inner Kennedy Klinger known lacking lateral length Locality Lower male margin material Middle Millard Mortoniceras Note occur original ornament outer paratypes Pereopod Pictet Porto Amboim present preserved quagga range references ribs River rounded Sanmartinoceras scientific segment separates setae shell short shoulder single slightly Smith South African Museum southern Spath species specimens spines Stoliczkaia Synonymy Tables telson tubercles Type species umbilical University Upper uropod USNMNH venter ventral ventrolateral whole mount whorl whorl section Wiedmann zebra Zululand