Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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The ribs weaken somewhat on the venter , where they are broad and transverse . Two ribs intercalate between the primaries , arising either low on the flank or at midflank , strengthening to match the primary ribs on outer flank and ...
The ribs weaken somewhat on the venter , where they are broad and transverse . Two ribs intercalate between the primaries , arising either low on the flank or at midflank , strengthening to match the primary ribs on outer flank and ...
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Common terms and phrases
9 figs abbreviations Abstract according acknowledges adult africanum Alopecoceras AMMONOIDEA ANNALS appear Argentina argentinense Stanton arrangement Austral Basin author's name authors Barremian bicuspidata body chamber broad Cape Town capital caption chronological cited Colchidites Zone Collections comma consecutively described designated diameter dimensions Discussion Examples FAUNAS Favre figures flank flattened followed genus give given Hatchericeras patagonense Stanton HATCHERICERAS STANTON Hauterivian headings Holotype illustrations included indicated initial internal italics journal Kennedy & Klinger Leanza Leda letters lobe material Mollusca Neocomitinae Note original Ornament OUM KX Oxford paratypes parentheses patagonense Zone Patagonian Perisphinctaceae placed prorsiradiate Pseudohatchericeras publication published punctuation reduced references regarded ribs Riccardi Roman scientific name seems semilaeve Leanza separates shouldered Smith South African Museum specimen Spruit subfamily subheadings Subsequently Suture synonym Tables type species umbilical umbilicus University venter whorl Wright Zululand