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
... subfamily Labeceratinae Spath , 1925 , are discussed . Data from Zulu- land 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 Labeceratinae Spath , 1925 , are discussed . Data from Zulu- land suggest that the subfamily probably consists of a single , dimorphic genus , to which the names Labeceras and Myloceras have been applied . Distribution of the ...
Page 196
... Labeceratinae . The subfamily Labeceratinae is thus effectively reduced to the two genera , Labeceras and Myloceras . Below generic rank , systematics of the Labeceratinae becomes difficult , due to the low specific diversity but ...
... Labeceratinae . The subfamily Labeceratinae is thus effectively reduced to the two genera , Labeceras and Myloceras . Below generic rank , systematics of the Labeceratinae becomes difficult , due to the low specific diversity but ...
Page 200
... subfamily Labeceratinae seems far removed from that adopted by Wright ( 1957 : L231 - L232 ) but , in the light of current data and from a phylogenetic point of view , makes much more sense . This effectively reduces the subfamily ...
... subfamily Labeceratinae seems far removed from that adopted by Wright ( 1957 : L231 - L232 ) but , in the light of current data and from a phylogenetic point of view , makes much more sense . This effectively reduces the subfamily ...
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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