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 189
... suggest that the subfamily probably consists of a single , dimorphic genus , to which the names Labeceras and Myloceras have been applied . Distribution of the subfamily shows con- centration in two main areas - southern Africa ...
... suggest that the subfamily probably consists of a single , dimorphic genus , to which the names Labeceras and Myloceras have been applied . Distribution of the subfamily shows con- centration in two main areas - southern Africa ...
Page 196
... suggested for Labeceratinae but , in my opinion , for the wrong reasons . Spath ( 1925 : 192 ) suggested that forms with and those without croziers ( in Myloceras ) might be dimorphs . This would be a situa- tion analogous to that found ...
... suggested for Labeceratinae but , in my opinion , for the wrong reasons . Spath ( 1925 : 192 ) suggested that forms with and those without croziers ( in Myloceras ) might be dimorphs . This would be a situa- tion analogous to that found ...
Page 211
... suggests a temperate climate and well - vegetated onshore environment off the Cape Basin ( although this is questioned by McLachlan & Pieterse ( 1978 ) , who suggest a harsh , probably dry climate ) , whereas in Angola the climate was ...
... suggests a temperate climate and well - vegetated onshore environment off the Cape Basin ( although this is questioned by McLachlan & Pieterse ( 1978 ) , who suggest a harsh , probably dry climate ) , whereas in Angola the climate was ...
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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