Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
From inside the book
Results 1-3 of 6
Page 97
... ornament soon gives way to slightly flexuous , sometimes bifurcating ribbing . Coiling in C. janus is also ... coarsely ornamented forms of Acrioceras zulu sp . nov . described below ( see p . 110 ) . In fact , small , criocone ...
... ornament soon gives way to slightly flexuous , sometimes bifurcating ribbing . Coiling in C. janus is also ... coarsely ornamented forms of Acrioceras zulu sp . nov . described below ( see p . 110 ) . In fact , small , criocone ...
Page 114
... 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. ) yrigoyeni ( Leanza ...
... 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. ) yrigoyeni ( Leanza ...
Page 130
... coarsely ornamented variants of Acrioceras ( A. ) zulu . Some of these specimens also occur together in the same nodules . It would be tempting to further link Crioceratites ( C. ) austra- lis with the finely ribbed variants of ...
... coarsely ornamented variants of Acrioceras ( A. ) zulu . Some of these specimens also occur together in the same nodules . It would be tempting to further link Crioceratites ( C. ) austra- lis with the finely ribbed variants of ...
Other editions - View all
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