Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 75
... impression that there are distinct , geographically separated , Boreal and Tethyan crioceratitid populations . This impression is further strengthened by the apparent parallel ( ? synchronous ) phylogenetic development within ...
... impression that there are distinct , geographically separated , Boreal and Tethyan crioceratitid populations . This impression is further strengthened by the apparent parallel ( ? synchronous ) phylogenetic development within ...
Page 81
... impression such as found in Lyto- ceras , trituberculate ornamentation , and lack of an uncoiled section . Collignon ( 1949 ) commented on the similarities between Menuthiocrioceras and the Boreal crioceratitids from northern Germany ...
... impression such as found in Lyto- ceras , trituberculate ornamentation , and lack of an uncoiled section . Collignon ( 1949 ) commented on the similarities between Menuthiocrioceras and the Boreal crioceratitids from northern Germany ...
Page 104
... . E. BMNH C80035 . Note dorsal zone of impression in A and distinct con- A B C Fig . 22. Crioceratites ( C. ) strictions in E. All × 1 . Fig . 24. Crioceratites ( C. ) australis sp . 104 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... . E. BMNH C80035 . Note dorsal zone of impression in A and distinct con- A B C Fig . 22. Crioceratites ( C. ) strictions in E. All × 1 . Fig . 24. Crioceratites ( C. ) australis sp . 104 ANNALS OF THE SOUTH AFRICAN MUSEUM.
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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