Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 114
... zulu sp . nov . Coarsely ornamented , sextuberculate shaft . SAM - PCZ8666 . C. Coarsely ornamented criocone whorls that could belong to either Acrioceras ( A. ) zulu sp . nov . or coarsely ornamented form of Crioceratites ( C ...
... zulu sp . nov . Coarsely ornamented , sextuberculate shaft . SAM - PCZ8666 . C. Coarsely ornamented criocone whorls that could belong to either Acrioceras ( A. ) zulu sp . nov . or coarsely ornamented form of Crioceratites ( C ...
Page 117
... zulu sp . nov . SAM - PCZ8440 . E. ? Acrioceras ( A. ) zulu sp . nov . SAM - PCZ8430 . F - J . Early acriocone whorls of Acrioceras ( A. ) zulu sp . nov . or Crioceratites ( C. ) yrigoyeni ( Leanza , 1970 ) . F - I . SAM - PCZ8425b . J ...
... zulu sp . nov . SAM - PCZ8440 . E. ? Acrioceras ( A. ) zulu sp . nov . SAM - PCZ8430 . F - J . Early acriocone whorls of Acrioceras ( A. ) zulu sp . nov . or Crioceratites ( C. ) yrigoyeni ( Leanza , 1970 ) . F - I . SAM - PCZ8425b . J ...
Page 130
... zulu and Acrioceras sp . As we have noted above in the systematic descriptions , the inner whorls of Crioceratites ( C. ) yrigoyeni are indistinguishable from the spiral whorls of coarsely ornamented variants of Acrioceras ( A. ) zulu ...
... zulu and Acrioceras sp . As we have noted above in the systematic descriptions , the inner whorls of Crioceratites ( C. ) yrigoyeni are indistinguishable from the spiral whorls of coarsely ornamented variants of Acrioceras ( A. ) zulu ...
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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