Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 115
... description as a separate species , if species concepts of most previous workers on this genus were applied ( which is more or less what Sarkar ( 1955 ) did in his description of the French material ) . Acrioceras zulu clearly belongs ...
... description as a separate species , if species concepts of most previous workers on this genus were applied ( which is more or less what Sarkar ( 1955 ) did in his description of the French material ) . Acrioceras zulu clearly belongs ...
Page 127
... Description The specimen is beautifully preserved , retaining replaced shell and part of the body chamber . Coiling is involute , with a small , shallow umbilicus ( 20 % of the diameter ) . The umbilical wall is flat , and inclined ...
... Description The specimen is beautifully preserved , retaining replaced shell and part of the body chamber . Coiling is involute , with a small , shallow umbilicus ( 20 % of the diameter ) . The umbilical wall is flat , and inclined ...
Page 136
... description of the strata and organic remains of the Yorkshire Coast . York . PICTET , J. F. & LORIOL , P. DE 1858-59 . Description des fossiles contenus dans le terrain néo- comien des Voirons . Mat . Paléontologique Suisse ( 2 ) : 1 ...
... description of the strata and organic remains of the Yorkshire Coast . York . PICTET , J. F. & LORIOL , P. DE 1858-59 . Description des fossiles contenus dans le terrain néo- comien des Voirons . Mat . Paléontologique Suisse ( 2 ) : 1 ...
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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