Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 74
Subfamily Crioceratitinae Wright , 1952 Genus Crioceratites Leveillé , 1837 [ =
Emericiceras Sarkar , 1954 ; Paracrioceras Spath , 1924 ; Sornayites Wiedmann ,
1962 ; Cryptocrioceras Aguirre Urreta , 1981 ) Type species . Crioceratites duvalii
...
Subfamily Crioceratitinae Wright , 1952 Genus Crioceratites Leveillé , 1837 [ =
Emericiceras Sarkar , 1954 ; Paracrioceras Spath , 1924 ; Sornayites Wiedmann ,
1962 ; Cryptocrioceras Aguirre Urreta , 1981 ) Type species . Crioceratites duvalii
...
Page 75
Interpretation of the genus Crioceratites is beset with many difficulties , the main
problem being whether it is possible , and if so how , to reconcile the names
applied to Boreal and Tethyan crioceratitid populations . Monographic
descriptions ...
Interpretation of the genus Crioceratites is beset with many difficulties , the main
problem being whether it is possible , and if so how , to reconcile the names
applied to Boreal and Tethyan crioceratitid populations . Monographic
descriptions ...
Page 107
The most comprehensive discussion of the genus in the wider sense ( as
Acrioceras s.l. ) is by Sarkar ( 1955 ) and , recently , in the restricted sense ( as
Acrioceras s.s. ) is by Thomel et al . ( 1990 ) . Sarkar ( 1955 ) believed that
Acrioceras ...
The most comprehensive discussion of the genus in the wider sense ( as
Acrioceras s.l. ) is by Sarkar ( 1955 ) and , recently , in the restricted sense ( as
Acrioceras s.s. ) is by Thomel et al . ( 1990 ) . Sarkar ( 1955 ) believed that
Acrioceras ...
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Common terms and phrases
according Acrioceras Aguirre Urreta Ancyloceratinae appears Aspinoceras association australis sp authors Barremian bear BMNH body chamber Boreal ceras close coiling coiling Collignon 1962 compared compressed consists Crioceratites Cryptocrioceras described Description developed diameter dimorphism discussion distinct early elongated Emericiceras figured finely flanks followed forms genus Hemihoplites holotype illustrations Immel impression included inner whorls Italy Klinger known lateral lobe locality Lower material Menuthiocrioceras Museum Note occur ornament outer whorls Paracrioceras Patagonia possible preserved Realm recently referred regarded ribs Riccardi & Aguirre rounded Sarkar separate shaft shoulder shows similar single Sornayites South southern Spath specimens stage strong strongly subfamilies suggested suture synonym systematic tabarelli Astier taxonomic Tethyan Thieuloy Thomel trituberculate tubercles type species umbilical uncoiled Upper Upper Barremian variable venter ventral ventrolateral whorl section Wiedmann Wright yrigoyeni Leanza zone zulu sp Zululand
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum Volume 101, Issue 5 of Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 1992 |
| Original from | the University of California |
| Digitized | 21 Jul 2016 |
| ISBN | 0868131288, 9780868131283 |
| Export Citation | BiBTeX EndNote RefMan |