Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 84
... species is very variable as far as coiling of the inner whorls , nature and
strength of ornament throughout , and inflation of the whorl section are concerned
. Coiling on the inner whorls is crioceratitid , with major trituberculate and
intermediary ...
... species is very variable as far as coiling of the inner whorls , nature and
strength of ornament throughout , and inflation of the whorl section are concerned
. Coiling on the inner whorls is crioceratitid , with major trituberculate and
intermediary ...
Page 93
Furthermore , the numbers of secondary ribs may be either variable or constant in
different individuals and has no apparent taxonomic significance . Attendant on
this proliferation of ribs is a change in their direction from prorsiradiate to radial ...
Furthermore , the numbers of secondary ribs may be either variable or constant in
different individuals and has no apparent taxonomic significance . Attendant on
this proliferation of ribs is a change in their direction from prorsiradiate to radial ...
Page 110
Coiling is very variable - open with the early whorls not in close contact in
C80005c ( Fig . 28A ) and tight with the whorls in close contact in PCZ8443 ( Fig .
30A - D ) . The whorl section of the early spiral varies from compressed in
C80005c to ...
Coiling is very variable - open with the early whorls not in close contact in
C80005c ( Fig . 28A ) and tight with the whorls in close contact in PCZ8443 ( Fig .
30A - D ) . The whorl section of the early spiral varies from compressed in
C80005c to ...
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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 |