Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 72
... Aguirre Urreta ( 1981 ) , and acrioceratid specimens best referred to the genus Acrioceras Hyatt , 1900 . Two specimens resemble material referred to Hemihoplites Spath , 1924 , by Riccardi & Aguirre Urreta ( 1989 ) and are herein ...
... Aguirre Urreta ( 1981 ) , and acrioceratid specimens best referred to the genus Acrioceras Hyatt , 1900 . Two specimens resemble material referred to Hemihoplites Spath , 1924 , by Riccardi & Aguirre Urreta ( 1989 ) and are herein ...
Page 74
... Aguirre Urreta , 1981 ] Type species . Crioceratites duvalii Leveillé ( 1837 : 313 , pl . 22 ( fig . 1a – b ) ... Aguirre Urreta ( 1981 ) occur . In this discussion we concentrate mainly on the systematic position and affinity of ...
... Aguirre Urreta , 1981 ] Type species . Crioceratites duvalii Leveillé ( 1837 : 313 , pl . 22 ( fig . 1a – b ) ... Aguirre Urreta ( 1981 ) occur . In this discussion we concentrate mainly on the systematic position and affinity of ...
Page 123
... Aguirre Urreta ( 1989 ) under the generic name of Hemihoplites Spath , 1924. Our material does not contribute in any constructive way to the discussion of whether Hemihoplites should be retained in a separate family Hemihoplitidae Spath ...
... Aguirre Urreta ( 1989 ) under the generic name of Hemihoplites Spath , 1924. Our material does not contribute in any constructive way to the discussion of whether Hemihoplites should be retained in a separate family Hemihoplitidae Spath ...
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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