Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 73
... Wiedmann ( 1970 ) is followed here . I = internal lobe ; U = umbilical lobe ; L = lateral lobe ; E = external lobe . SYSTEMATIC PALAEONTOLOGY Phylum MOLLUSCA Cuvier , 1797 Class CEPHALOPODA Zittel , 1884 Order AMMONOIDEA Zittel , 1884 ...
... Wiedmann ( 1970 ) is followed here . I = internal lobe ; U = umbilical lobe ; L = lateral lobe ; E = external lobe . SYSTEMATIC PALAEONTOLOGY Phylum MOLLUSCA Cuvier , 1797 Class CEPHALOPODA Zittel , 1884 Order AMMONOIDEA Zittel , 1884 ...
Page 75
... Wiedmann 1962 ) have been recognized within Crioceratites but , unfortunately , many of these are either poorly defined or open to question . A full discussion of these attempted subdivisions of the genus Crioceratites is beyond the ...
... Wiedmann 1962 ) have been recognized within Crioceratites but , unfortunately , many of these are either poorly defined or open to question . A full discussion of these attempted subdivisions of the genus Crioceratites is beyond the ...
Page 80
... Wiedmann ( 1962 : 140 footnote ) thought that ' Sornayites ' originated in the group of Crioceratites emerici . Apart from the type species , Wiedmann also included Crioceratites edouardi ( Honnorat - Bastide , 1889 : 462 , pl . 11 ) ...
... Wiedmann ( 1962 : 140 footnote ) thought that ' Sornayites ' originated in the group of Crioceratites emerici . Apart from the type species , Wiedmann also included Crioceratites edouardi ( Honnorat - Bastide , 1889 : 462 , pl . 11 ) ...
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Common terms and phrases
Acrioceras Acrioceras sp Africa Aguirre Urreta 1981 ammonites Ammonoidea Ancyloceras Ancyloceratinae Aptian Aspinoceras aspinoceratid australis sp barremense BMNH body chamber Boreal and Tethyan bullae ceras cliff and gully close coiling coarsely ornamented Collignon 1962 compressed Crioceratites Crioceratites s.s. Cryptocrioceras cundimarcae d'Orbigny diameter dimorphism discussion early whorls emerici Emericiceras family Ancyloceratidae flexuous genus genus Crioceratites Geology Giovine group of Crioceratites Hauterivian Hemihoplites sp holotype Immel inner whorls Kakabadze 1981 Leveillé lobe locality 170 Lower Barremian major ribs material Menuthiocrioceras Mlambongwenya Trading Store monopujaae Neuquén Obata outer whorls Palaeontology Paracrioceras Paraspinoceras Patagonia Pedioceras phragmocone Pseudothurmannia Rawson referred ribs Riccardi & Aguirre Sarkar Sornayites South African Museum southern Patagonia Spath species groups specimens tabarelli Astier taxonomic Tethyan Realm text-fig Thieuloy Thomel trituberculate ribs tubercles type species umbilical shoulder umbilical wall uncoiled Unterkreide Upper Barremian Upper Hauterivian Valanginian venter ventral tubercles ventrolateral shoulder whorl section Wiedmann yrigoyeni Leanza zulu sp Zululand