Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 76
... discussing some of the affinities of the Gon- dwanid crioceratitid ' Cryptocrioceras ' . A full discussion of the merits and demerits of Immel's species grouping is beyond the scope of the present discussion . In the Mediterranean ...
... discussing some of the affinities of the Gon- dwanid crioceratitid ' Cryptocrioceras ' . A full discussion of the merits and demerits of Immel's species grouping is beyond the scope of the present discussion . In the Mediterranean ...
Page 129
... Discussion Our specimen resembles the juvenile specimens of Hemihoplites varico- status Riccardi & Aguirre Urreta , figured by Riccardi & Aguirre Urreta ( 1989 , text - fig . 5a - f ) as far as ornament is concerned , but differs in ...
... Discussion Our specimen resembles the juvenile specimens of Hemihoplites varico- status Riccardi & Aguirre Urreta , figured by Riccardi & Aguirre Urreta ( 1989 , text - fig . 5a - f ) as far as ornament is concerned , but differs in ...
Page 131
... discussion on dimorphism in the subfamilies Crioceratitinae and Ancyloceratinae should be based on precisely located material from the classic European localities in the Boreal and Tethyan realms , respectively . We here limit ourselves ...
... discussion on dimorphism in the subfamilies Crioceratitinae and Ancyloceratinae should be based on precisely located material from the classic European localities in the Boreal and Tethyan realms , respectively . We here limit ourselves ...
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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