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 188
... becomes available Obtainable from the South African Museum , P.O. Box 61 , Cape Town 8000 Die ANNALE VAN DIE SUID - AFRIKAANSE MUSEUM word uitgegee in dele op ongereelde tye na gelang van die beskikbaarheid van stof Verkrygbaar van die ...
... becomes available Obtainable from the South African Museum , P.O. Box 61 , Cape Town 8000 Die ANNALE VAN DIE SUID - AFRIKAANSE MUSEUM word uitgegee in dele op ongereelde tye na gelang van die beskikbaarheid van stof Verkrygbaar van die ...
Page 191
... becomes subdued in later forms and umbilical tubercles reduced . Myloceras 1. Decrease in overall size . 2. Lateral lobe ( L ) changes from asymmetric to symmetrically trifid . 3. Whorl section becomes more com- pressed . 4. Coiling on ...
... becomes subdued in later forms and umbilical tubercles reduced . Myloceras 1. Decrease in overall size . 2. Lateral lobe ( L ) changes from asymmetric to symmetrically trifid . 3. Whorl section becomes more com- pressed . 4. Coiling on ...
Page 196
... becomes difficult , due to the low specific diversity but extreme intraspecific variation . However , one of the most consistent features of labeceratid systematics is the consistent associa- tion of Labeceras and Myloceras ( e.g. ...
... becomes difficult , due to the low specific diversity but extreme intraspecific variation . However , one of the most consistent features of labeceratid systematics is the consistent associa- tion of Labeceras and Myloceras ( e.g. ...
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Common terms and phrases
abbreviated Africa-Madagascar and Australia Albian of Zululand AMMONITE Ancyloceratinae Angola Angola Basin Austral Basin Baculites BesairiƩ 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