Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 107
( 1987 , 1990 ) , and Vašiček & Michalík ( 1988 ) , confuse rather than clarify
taxonomic issues . 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 ...
( 1987 , 1990 ) , and Vašiček & Michalík ( 1988 ) , confuse rather than clarify
taxonomic issues . 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 ...
Page 131
Taxonomic implications If the association of Acrioceras - ' Emericiceras ' in the
Tethyan Realm , Acrioceras - Paracrioceras ' in the Boreal Realm , and
Acrioceras - ' Cryptocrioceras ' in Zululand , respectively , is due to dimorphism , it
would ...
Taxonomic implications If the association of Acrioceras - ' Emericiceras ' in the
Tethyan Realm , Acrioceras - Paracrioceras ' in the Boreal Realm , and
Acrioceras - ' Cryptocrioceras ' in Zululand , respectively , is due to dimorphism , it
would ...
Page 132
From a taxonomic point of view , the recognition of Acrioceras s.l. and the '
Paracrioceras - Emericiceras - Cryptocrioceras ' lineage of Crioceratites as a
dimorphic pair would certainly make sense . To prove it is difficult on the basis of
the ...
From a taxonomic point of view , the recognition of Acrioceras s.l. and the '
Paracrioceras - Emericiceras - Cryptocrioceras ' lineage of Crioceratites as a
dimorphic pair would certainly make sense . To prove it is difficult on the basis of
the ...
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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 |