Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 23
... Hoepen , corresponding broadly with the Excentrica group of Lycett ( 1879 ) . Van Hoepen's ( 1929 ) bold taxonomy failed to make immediate impact , and Rutitrigonia was reduced to a subgenus of Trigonia by Rennie ( 1936 ) , whereas Cox ...
... Hoepen , corresponding broadly with the Excentrica group of Lycett ( 1879 ) . Van Hoepen's ( 1929 ) bold taxonomy failed to make immediate impact , and Rutitrigonia was reduced to a subgenus of Trigonia by Rennie ( 1936 ) , whereas Cox ...
Page 24
... Hoepen , 1929 Diagnosis Shell small to moderately large , subovate to pyriform , subtrigonal and subtrapezoidal . Typically with inner and marginal carina lacking , resulting in poor discrimination between the smooth escutcheon and area ...
... Hoepen , 1929 Diagnosis Shell small to moderately large , subovate to pyriform , subtrigonal and subtrapezoidal . Typically with inner and marginal carina lacking , resulting in poor discrimination between the smooth escutcheon and area ...
Page 29
... HOEPEN , E. C. N. 1929. Die krytfauna van Soeloeland . 1. Trigoniidae . Paleontologiese Navorsing van die Nasionale Museum van Bloemfontein 1 ( 1 ) : 1–38 . VENZO , S. 1942. Trigonia ( Laevitrigonia ) stefaninii n . sp . del Batoniano ...
... HOEPEN , E. C. N. 1929. Die krytfauna van Soeloeland . 1. Trigoniidae . Paleontologiese Navorsing van die Nasionale Museum van Bloemfontein 1 ( 1 ) : 1–38 . VENZO , S. 1942. Trigonia ( Laevitrigonia ) stefaninii n . sp . del Batoniano ...
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Common terms and phrases
abbreviated according to chronology acute angle Aitken ANNALS antecarinal sulcus bicuspidata Gould Broad subtrigonal area Cape Town comprises coarse concentric costae curve strongly upwards described Haughton Diagnosis Shell escutcheon fastigiate roof-shaped flank costae Gastropoda GENUS OF RUTITRIGONIINAE Hoepen holotype Kobayashi krenkeli Lamarck Lange Later flank Leda LOWER CRETACEOUS APTIAN margin and obliquely marginal carina Megatrigonia middle growth stages Nakano namacolus nepionic stages noteworthy similarities Nucula obliquely truncate opisthogyrous beaks ornament comprises paratypes parentheses posterodorsal commissure punctuation reduction or enlargement references registration number respiratory margin ribbing Roman numerals RUTITRIGONIINAE BIVALVIA scientific name separate author's name shell is fastigiate Shell medium sized shouldered italics Smith South African Museum species straight posterodorsal margin strongly upwards posteriorly subconcentric subheadings are shouldered subterminal umbones subtrapezoidal Synonymy arrangement Syrotrigonia taxa Trigonia Rutitrigonia TRIGONIACEA umbonal ridge V-shaped costae ventral margin VOLUME 99 volume number Von Huene weakly ZULULAND Zulutrigonia gen Zulutrigonia pongolensis Rennie
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum Volume 99, Issue 3 of Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | West, Newman & Company for the trustees of the Museum, 1990 |
| Original from | the University of California |
| Digitized | 21 Jul 2016 |
| ISBN | 0868131083, 9780868131085 |
| Export Citation | BiBTeX EndNote RefMan |