Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 72
The palaeobiogeographic affinities of these heteroceratine faunas with those of
the Caucasus and southern Patagonia are striking ( Klinger 1990 ) . Haploceratid
faunas similar to those from the Barremian of Zululand have recently been ...
The palaeobiogeographic affinities of these heteroceratine faunas with those of
the Caucasus and southern Patagonia are striking ( Klinger 1990 ) . Haploceratid
faunas similar to those from the Barremian of Zululand have recently been ...
Page 75
To this apparent synchronous development of geographically separate but
morphologically related forms , Cryptocrioceras from the South Gondwanid
Region ( southern Patagonia , Zululand and southern Mozambique ) can now be
added .
To this apparent synchronous development of geographically separate but
morphologically related forms , Cryptocrioceras from the South Gondwanid
Region ( southern Patagonia , Zululand and southern Mozambique ) can now be
added .
Page 136
The Cretaceous system of southern South America . Memoirs . Geologi . cal
Society of America 168 : 1–161 . RICCARDI , A. C. & AGUIRRE URRETA , M. B.
1989. Hemihoplitid ammonoids from the Lower Cretaceous of Southern
Patagonia .
The Cretaceous system of southern South America . Memoirs . Geologi . cal
Society of America 168 : 1–161 . RICCARDI , A. C. & AGUIRRE URRETA , M. B.
1989. Hemihoplitid ammonoids from the Lower Cretaceous of Southern
Patagonia .
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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