Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 75
... Sarkar 1955 ; Thomel 1964 ; Thieuloy & Thomel 1964 ; Immel 1978 , 1979b ) and genera or subgenera , e.g. Emericiceras Sarkar , 1954 , and Paracrioceras Spath , 1924 , and phylogenetic lineages ( e.g. Wiedmann 1962 ) have been recognized ...
... Sarkar 1955 ; Thomel 1964 ; Thieuloy & Thomel 1964 ; Immel 1978 , 1979b ) and genera or subgenera , e.g. Emericiceras Sarkar , 1954 , and Paracrioceras Spath , 1924 , and phylogenetic lineages ( e.g. Wiedmann 1962 ) have been recognized ...
Page 107
... Sarkar ( 1955 ) and , recently , in the restricted sense ( as Acrioceras s.s. ) is by Thomel et al . ( 1990 ) . Sarkar ( 1955 ) believed that Acrioceras could be divided into four sub- genera , based primarily on the mode of coiling ...
... Sarkar ( 1955 ) and , recently , in the restricted sense ( as Acrioceras s.s. ) is by Thomel et al . ( 1990 ) . Sarkar ( 1955 ) believed that Acrioceras could be divided into four sub- genera , based primarily on the mode of coiling ...
Page 115
... Sarkar ( 1955 ) did in his description of the French material ) . Acrioceras zulu clearly belongs to the group of Acrioceras tabarelli ( Astier , 1851 : 19 , pl . 7 ( fig . 9 ) ) , but it connects morphologically with Paraspinoceras pul ...
... Sarkar ( 1955 ) did in his description of the French material ) . Acrioceras zulu clearly belongs to the group of Acrioceras tabarelli ( Astier , 1851 : 19 , pl . 7 ( fig . 9 ) ) , but it connects morphologically with Paraspinoceras pul ...
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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