Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 94
None of our specimens show the adult , body - chamber modifications seen in the
Argentinian material with the development of bullae on the ribs and even partial
uncoiling in some ( e.g. Aguirre Urreta 1981 , pl . 4 ( fig . b ) ) . Crioceratites ( C. )
...
None of our specimens show the adult , body - chamber modifications seen in the
Argentinian material with the development of bullae on the ribs and even partial
uncoiling in some ( e.g. Aguirre Urreta 1981 , pl . 4 ( fig . b ) ) . Crioceratites ( C. )
...
Page 127
... Makatini Formation , Barremian I. Dimensions Specimen C80034 D 26,5 Wb 8,
4 ( 32 ) Wh 12,5 ( 47 ) Wb / Wh 0,67 U 5,2 ( 20 ) Description The specimen is
beautifully preserved , retaining replaced shell and part of the body chamber .
... Makatini Formation , Barremian I. Dimensions Specimen C80034 D 26,5 Wb 8,
4 ( 32 ) Wh 12,5 ( 47 ) Wb / Wh 0,67 U 5,2 ( 20 ) Description The specimen is
beautifully preserved , retaining replaced shell and part of the body chamber .
Page 130
20 ) , a body chamber fragment of Crioceratites ( C. ) australis . But if we accept
these as a dimorphic pair , it would mean formally separating finely and coarsely
ribbed Acrioceras ( A. ) zulu . On purely morphological grounds , separation of ...
20 ) , a body chamber fragment of Crioceratites ( C. ) australis . But if we accept
these as a dimorphic pair , it would mean formally separating finely and coarsely
ribbed Acrioceras ( A. ) zulu . On purely morphological grounds , separation of ...
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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 |