Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1989 - Natural history |
From inside the book
Results 1-3 of 5
Page 191
... Whorl section becomes more com- pressed . 4. Coiling on criocone whorls becomes more regular and com- pact ; distinct change in whorl section near point of uncoiling . Shaft possibly tends to recurve in Ellipsoceras . 5. Ornament ...
... Whorl section becomes more com- pressed . 4. Coiling on criocone whorls becomes more regular and com- pact ; distinct change in whorl section near point of uncoiling . Shaft possibly tends to recurve in Ellipsoceras . 5. Ornament ...
Page 207
... whorl section ( see also Reyment 1964a : 31 ) . Taking the phylogenetic sequence ( Fig . 8 ) as a basis for comparison , three groups can be recognized : Myloceras gr . ex . rotundum with round to reniform whorl section , Myloceras gr ...
... whorl section ( see also Reyment 1964a : 31 ) . Taking the phylogenetic sequence ( Fig . 8 ) as a basis for comparison , three groups can be recognized : Myloceras gr . ex . rotundum with round to reniform whorl section , Myloceras gr ...
Page 219
... Part L , Mollusca 4. Cephalopoda , Ammonoidea : L1 - L490 . Boulder , Lawrence : Geological Society of America ... whorl section and regular ornament of the type and only species , M. ( C. ) andinus , it appears to be close to the ...
... Part L , Mollusca 4. Cephalopoda , Ammonoidea : L1 - L490 . Boulder , Lawrence : Geological Society of America ... whorl section and regular ornament of the type and only species , M. ( C. ) andinus , it appears to be close to the ...
Other editions - View all
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