Annals of the South African Museum, Volume 96The Museum, 1985 - Natural history |
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Page 280
... Helicancylus Gabb , Toxoceratoides Spath , and Tonohamites Spath , while three Barremian genera , Acrioceras Hyatt , Lyto- crioceras Spath , and Leptoceras Uhlig , were provisionally assigned to the subfamily . Casey ( 1961 : 77 ) also ...
... Helicancylus Gabb , Toxoceratoides Spath , and Tonohamites Spath , while three Barremian genera , Acrioceras Hyatt , Lyto- crioceras Spath , and Leptoceras Uhlig , were provisionally assigned to the subfamily . Casey ( 1961 : 77 ) also ...
Page 283
... Helicancylus , Toxoceratoides , and Tonohamites . Genus Helicancylus Gabb , 1869 Type - species . Ptychoceras aequicostatus Gabb , 1864 , from the Aptian of California , by original designation ( Gabb 1869 ) . Diagnosis Coiling variable ...
... Helicancylus , Toxoceratoides , and Tonohamites . Genus Helicancylus Gabb , 1869 Type - species . Ptychoceras aequicostatus Gabb , 1864 , from the Aptian of California , by original designation ( Gabb 1869 ) . Diagnosis Coiling variable ...
Page 284
... Helicancylus ( see p . 290 ) . The group of ' Ancyloceras ' patagonicum referred to an indeterminate genus by Thomson ( 1974 ) can also be placed in Helicancylus . Thomson compared the suture line of ' Hamiticeras ' aequicostatum ...
... Helicancylus ( see p . 290 ) . The group of ' Ancyloceras ' patagonicum referred to an indeterminate genus by Thomson ( 1974 ) can also be placed in Helicancylus . Thomson compared the suture line of ' Hamiticeras ' aequicostatum ...
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Common terms and phrases
abbreviations Aedeagus Age and distribution Agulhas Bank Alcyonium variabile ammonite Ancyloceras apex apical Aptian Bairdoppilata Barremian Barremian of western Bay borehole bicuspidata Brachycythere Campanian Cape Peninsula Cape Town Cenomanian Colchidites vulanensis Colophon Coniacian CPBA Cretaceous Cypraea Cypraeidae Cythereis Cytherelloidea described Dingle False Bay faunas female fuscorubra genera genus geol Gibberleberis Group habitat haughtoni Haughtonileberis Helicancylus Heteroceras holotype Indet iutsui J(c)-1 borehole K. H. Barnard Kakabadze 1971a labrum Lampanyctus lateral locality longicaudata Maastrichtian male mandibles mantle margin material Metalcyonium morphology Mtubatuba ornament ostracod outcrops paratypes patagonicum pondolandensis posterior pronotum range referred region ribs Richards Bay Río Mayer Rouchadzé 1933 samples Santonian sclerites shaft shell South African Museum south-east Africa specimens stations stokoei subfamily suckers SUID-AFRIKAANSE MUSEUM Swartberg Table taxa text-fig Thomson tibia Tonohamites Toxoceratoides tubercles Turonian Umzamba bed umzambaensis Upper Barremian variability Ventral process vulanensis australis western Georgia whorl section Zululand