Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 196
Apart from the scaphitids ( see e.g. Makowski 1963 ; Cobban 1969 ) , dimorphism has only recently been recognized in heteromorph ammonites and remains largely to be explored in Cretaceous groups ( see Callomon 1981 : 267 ) .
Apart from the scaphitids ( see e.g. Makowski 1963 ; Cobban 1969 ) , dimorphism has only recently been recognized in heteromorph ammonites and remains largely to be explored in Cretaceous groups ( see Callomon 1981 : 267 ) .
Page 217
Heteromorph ammonites from the Albian of South Australia . Transactions of the Royal Society of South Australia 104 ( 5/6 ) : 145–159 . MEDINA , F. & RINALDI , C. A. 1986. Ammonoideos del Albiano Superior en la Formacion Rio Mayer de la ...
Heteromorph ammonites from the Albian of South Australia . Transactions of the Royal Society of South Australia 104 ( 5/6 ) : 145–159 . MEDINA , F. & RINALDI , C. A. 1986. Ammonoideos del Albiano Superior en la Formacion Rio Mayer de la ...
Page 219
Albian heteromorph ammonoids from southern Patagonia , Argentina . Journal of Paleontology 62 ( 4 ) : 598–164 ) . This includes Labeceras crassetuberculatum Klinger magnum ssp . nov . , L. singulare ( Leanza , 1970 ) and Myloceras ...
Albian heteromorph ammonoids from southern Patagonia , Argentina . Journal of Paleontology 62 ( 4 ) : 598–164 ) . This includes Labeceras crassetuberculatum Klinger magnum ssp . nov . , L. singulare ( Leanza , 1970 ) and Myloceras ...
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abbreviated according addition Angola aperture appear Australia author's name authors Basin becomes besairiei Cape Basin capital ceras climate coiling Collection Collignon common consists definitely described DESCRIPTION differences dimorphism distinct distribution effects Ellipsoceras et al faunas figures followed forms Förster genera genus given Hamites Hamitoides heteromorph Holotype illustrations India initial italics Kennedy Klinger known Labe Labeceras and Myloceras Labeceras crassetuberculatum Labeceras plasticum Labeceratinae lateral lateral lappets letter lobes locality lower mainly material McNamara Myloceras gr Myloceras serotinum Spath Note occur original Ornament possible probably range recorded rectum reduced references Reyment ribs River seems separates shaft similar single Smith South African Museum South Atlantic southern species specimens stratigraphic subfamily Labeceratinae suggested Synonymy systematics type species umbilical tubercles Upper Albian ventral Whitehouse whorl section Zone Zululand