Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 234
Recognition that Hatchericeras is Barremian indicates that it is unlikely to be a member of the Albian - Lower Cenomanian Gastroplitinae as proposed by Leanza ( 1970 ) , whereas the strong similarities of ornament and suture line link ...
Recognition that Hatchericeras is Barremian indicates that it is unlikely to be a member of the Albian - Lower Cenomanian Gastroplitinae as proposed by Leanza ( 1970 ) , whereas the strong similarities of ornament and suture line link ...
Page 236
The dorsum of OUM KX 1820 shows details of the ornament at an even smaller diameter ; the ribs are more crowded than in the somewhat larger whorls . OUM KX 1819 ( Figs 3B , 4 ) is part of an adult phragmocone and the beginning of the ...
The dorsum of OUM KX 1820 shows details of the ornament at an even smaller diameter ; the ribs are more crowded than in the somewhat larger whorls . OUM KX 1819 ( Figs 3B , 4 ) is part of an adult phragmocone and the beginning of the ...
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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