Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1989 - Natural history |
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Page 196
... stratigraphic range of the group . Distinct successive pairs of Labeceras and Myloceras can be recognized . In both there seems to be an increasing trend towards hydrodynamic stability and / or ' streamlining ' of ornament . This leads ...
... stratigraphic range of the group . Distinct successive pairs of Labeceras and Myloceras can be recognized . In both there seems to be an increasing trend towards hydrodynamic stability and / or ' streamlining ' of ornament . This leads ...
Page 204
... STRATIGRAPHIC IMPLICATIONS Distribution of the Labeceratinae is strictly Gondwanid - more specifically south Gondwanid . Two features are conspicuous : 1. Concentration of Labeceratinae into two main regions — south - eastern Africa ...
... STRATIGRAPHIC IMPLICATIONS Distribution of the Labeceratinae is strictly Gondwanid - more specifically south Gondwanid . Two features are conspicuous : 1. Concentration of Labeceratinae into two main regions — south - eastern Africa ...
Page 216
... stratigraphy . Delhi : Hindustan Publishing Corporation . Haas , O. 1942. The Vernay Collection of Cretaceous ... stratigraphic distribution of the ammo- nite fauna of the French Coniacian . Palaeontological Association . Special ...
... stratigraphy . Delhi : Hindustan Publishing Corporation . Haas , O. 1942. The Vernay Collection of Cretaceous ... stratigraphic distribution of the ammo- nite fauna of the French Coniacian . Palaeontological Association . Special ...
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Common terms and phrases
abbreviated Africa-Madagascar and Australia Albian of Zululand AMMONITE Ancyloceratinae Angola Angola Basin Austral Basin Baculites Besairié besairiei Collignon Brazil-Angola Basin Cape Basin Cenomanian ceras climate Cobban coiling Collignon 1963 comma compressed whorl section crassicostatum Cretaceous CROZIER Estancia La Vega Etheridge F G H faunas figures Gastropoda genera Hamites heteromorph Holotype intraspecific Labe Labeceras and Myloceras Labeceras crassetuberculatum Klinger Labeceras gr Labeceras rectum Labeceras Spath Later forms lateral lappets Leanza Leda Madagascar material McNamara microconch Middle Albian Mozambique Mylo Myloceras bituberculatum sp Myloceras gr Myloceras rotundum Klinger Myloceras serotinum Spath onshore Ornament paratypes parentheses Patagonia phylogenetic PHYLOGENY punctuation recorded Reyment Roman numerals Samana Range Santa Cruz Province scaphitids scientific name Sketch of aperture Smith South African Museum South Atlantic southern India straight shaft strati stratigraphic range suggested Suture line Synonymy systematics type species umbilical tubercles Upper Albian venter Venzo Walvis Ridge Wiedmann & Dieni Wright