Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1992 - Natural history |
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Page 73
... Ancyloceratinae Gill , 1871 ( Wright 1952 , 1957 ; Wiedmann 1962 ; Thomel 1964 ; Kakabadze 1981 ) , but may also include the subfamily Helicancyli- nae Hyatt , 1894 ( Casey 1961 : 76 ; Wright 1981 : 171 ; Aguirre Urreta 1986 ) ...
... Ancyloceratinae Gill , 1871 ( Wright 1952 , 1957 ; Wiedmann 1962 ; Thomel 1964 ; Kakabadze 1981 ) , but may also include the subfamily Helicancyli- nae Hyatt , 1894 ( Casey 1961 : 76 ; Wright 1981 : 171 ; Aguirre Urreta 1986 ) ...
Page 129
... ANCYLOCERATINAE Rawson ( 1975 : 282 ) suggested that Ancyloceratidae with ancyloceratid / aspi- noceratid coiling ( herein referred to as acrioceratid ) , and larger , crioceratitid forms might be dimorphic . Related to this , he ...
... ANCYLOCERATINAE Rawson ( 1975 : 282 ) suggested that Ancyloceratidae with ancyloceratid / aspi- noceratid coiling ( herein referred to as acrioceratid ) , and larger , crioceratitid forms might be dimorphic . Related to this , he ...
Page 131
... Ancyloceratinae should be based on precisely located material from the classic European localities in the Boreal and Tethyan realms , respectively . We here limit ourselves to a discussion of some obvious taxonomic impli- cations of the ...
... Ancyloceratinae should be based on precisely located material from the classic European localities in the Boreal and Tethyan realms , respectively . We here limit ourselves to a discussion of some obvious taxonomic impli- cations of the ...
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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