Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 83
... 1981 ) . Pseudocrio- ceras has an uncoiled straight shaft after the planispiral section , which clearly ... Kakabadze 1981 ) ; in Africa from Morocco ( Roch 1930 ) , Egypt ? ( H. Douvillé 1916 ) , Somalia ? ( Tavani 1942 ) , Tanzania ...
... 1981 ) . Pseudocrio- ceras has an uncoiled straight shaft after the planispiral section , which clearly ... Kakabadze 1981 ) ; in Africa from Morocco ( Roch 1930 ) , Egypt ? ( H. Douvillé 1916 ) , Somalia ? ( Tavani 1942 ) , Tanzania ...
Page 94
... ( 1981 ) , but the similar inner whorls leave no doubt that they all belong to the same species . Our material is ... Kakabadze ( 1981 , pl . 15 ) as Paracrioceras barremense , however , has close coiling as in C. ( C. ) yrigoyeni , and is ...
... ( 1981 ) , but the similar inner whorls leave no doubt that they all belong to the same species . Our material is ... Kakabadze ( 1981 , pl . 15 ) as Paracrioceras barremense , however , has close coiling as in C. ( C. ) yrigoyeni , and is ...
Page 107
... Kakabadze ( 1981 ) , Thomel et al . ( 1987 , 1990 ) , and Vašiček & Michalík ( 1988 ) , confuse rather than clarify taxonomic issues . The most comprehensive discussion of the genus in the wider sense ( as Acrioceras s.1 . ) is by ...
... Kakabadze ( 1981 ) , Thomel et al . ( 1987 , 1990 ) , and Vašiček & Michalík ( 1988 ) , confuse rather than clarify taxonomic issues . The most comprehensive discussion of the genus in the wider sense ( as Acrioceras s.1 . ) is by ...
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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