Annals of the South African MuseumThe Museum, 1978 - Natual history |
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Page 234
four rows of prominent tubercles arranged on weak , oblique ribs , of which there
are about thirty per whorl . The upper row of tubercles is the most prominent , and
they are slightly bullate and situated slightly above mid - whorl . The tubercles ...
four rows of prominent tubercles arranged on weak , oblique ribs , of which there
are about thirty per whorl . The upper row of tubercles is the most prominent , and
they are slightly bullate and situated slightly above mid - whorl . The tubercles ...
Page 249
The group of S. dispar with ventrolateral tubercles only on the inner whorls and
weak ribbing on the body chamber , comprising S. dispar ( d'Orbigny ) , S.
dorsetensis Spath and S. tenuis Renz . 2. The group of S. africana which retains ...
The group of S. dispar with ventrolateral tubercles only on the inner whorls and
weak ribbing on the body chamber , comprising S. dispar ( d'Orbigny ) , S.
dorsetensis Spath and S. tenuis Renz . 2. The group of S. africana which retains ...
Page 280
In the earliest observed growth stages , the ribbing is generally simple , slightly
prorsiradiate , with frequent intercalatories . All ribs are ornamented by distinct
lateral and upper and lower ventrolateral tubercles , while long ribs arise from
fairly ...
In the earliest observed growth stages , the ribbing is generally simple , slightly
prorsiradiate , with frequent intercalatories . All ribs are ornamented by distinct
lateral and upper and lower ventrolateral tubercles , while long ribs arise from
fairly ...
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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
Bibliographic information
| Title | Annals of the South African Museum Annals of the South African Museum, South African Museum |
| Contributor | South African Museum |
| Publisher | The Museum, 1978 |
| Original from | University of Illinois at Urbana-Champaign |
| Digitized | 26 Nov 2019 |
| ISBN | 0908407564, 9780908407569 |
| Export Citation | BiBTeX EndNote RefMan |