Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 80
... whorls . Crioceratites ( C. ) binelli may also develop constrictions on the outer whorls , as in Crioceratites ( C. ) australis , albeit associated with major ribs . The ribs on the outer whorls of C. ( C. ) binelli diverge from ...
... whorls . Crioceratites ( C. ) binelli may also develop constrictions on the outer whorls , as in Crioceratites ( C. ) australis , albeit associated with major ribs . The ribs on the outer whorls of C. ( C. ) binelli diverge from ...
Page 94
... outer whorls ; these have never been observed in C. ( C. ) yrigoyeni . The specimen described and figured by Collignon ( 1949 : 79 , pl . 12 ( 5 ) ( fig . 4 , 4a ) ) from the Upper Hauterivian of Belohasifaka as Crioceras sp . ? , is ...
... outer whorls ; these have never been observed in C. ( C. ) yrigoyeni . The specimen described and figured by Collignon ( 1949 : 79 , pl . 12 ( 5 ) ( fig . 4 , 4a ) ) from the Upper Hauterivian of Belohasifaka as Crioceras sp . ? , is ...
Page 100
... outer whorls is characteristic of this species , and easily separates it from Crioceratites ( C. ) yrigoyeni , as well as from the majority of other Crioceratites species . Amongst the Mediterranean species , C. ( C. ) binelli ( Astier ...
... outer whorls is characteristic of this species , and easily separates it from Crioceratites ( C. ) yrigoyeni , as well as from the majority of other Crioceratites species . Amongst the Mediterranean species , C. ( C. ) binelli ( Astier ...
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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