Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 151
... lobe with septal lobe , U = = external lobe . umbilical lobe , L = lateral lobe , Phylum Class SYSTEMATIC PALAEONTOLOGY MOLLUSCA CEPHALOPODA Cuvier , 1797 Subclass AMMONOIDEA Zittel , 1884 Order LYTOCERATIDA Hyatt , 1899 Superfamily ...
... lobe with septal lobe , U = = external lobe . umbilical lobe , L = lateral lobe , Phylum Class SYSTEMATIC PALAEONTOLOGY MOLLUSCA CEPHALOPODA Cuvier , 1797 Subclass AMMONOIDEA Zittel , 1884 Order LYTOCERATIDA Hyatt , 1899 Superfamily ...
Page 153
... lobe ( L ) . There are three auxiliary saddles on the suspensive lobe ( U3 ) , the first large and subtrifid , whilst there is a long first , and an incipient second saddle on the internal suture . The septal lobe is horseshoe shaped ...
... lobe ( L ) . There are three auxiliary saddles on the suspensive lobe ( U3 ) , the first large and subtrifid , whilst there is a long first , and an incipient second saddle on the internal suture . The septal lobe is horseshoe shaped ...
Page 186
... lobe ( L ) deeper than the ventral lobe ( E ) , and a retracted suspensive lobe with a large bifid first auxiliary saddle . Saddle terminations are typically subphylloid . The septal face shows two lateral saddles on either side of the ...
... lobe ( L ) deeper than the ventral lobe ( E ) , and a retracted suspensive lobe with a large bifid first auxiliary saddle . Saddle terminations are typically subphylloid . The septal face shows two lateral saddles on either side of the ...
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Common terms and phrases
abbreviations adcauline adnate Albian Allman Ammonites Ammonoidea Amphipoda Ancyloceras Adouliceras ancyloceratid aperture Aptian Aptian III-IV Australiceras author's name authors Barremian bicuspidata BMNH body chamber cala Campanian Cape Town capensis Casey Cenomanian coiling Collignon constrictions Cretaceous Crioceras crozier described Description distal dorsal dorsum Eoxenopoides reuningi fauna figures flanks fossil Gastropoda genus gonothecae Haughton Helicancyloceras Nonyaniceras Hoepen holotype hydrocladia hydrothecae inner whorls internode Kerguelen Kossmat lateral Lectotype length lobe locality 168 locality 170 Lower Aptian Maastrichtian Madagascar material metres Millard Mozambique mozambiquense nematothecae occur ornament paratypes Pedicel phragmocone pipids Pseudophyllites referred ribs rounded Saghalinites Santonian scientific name segment separated Sertularella seta shaft shoulder Sinzow South African Museum southern Spath species specimen spines Stechow stem subheadings subsimbirskense SUID-AFRIKAANSE MUSEUM suture line Symplectoscyphus Synonymy Tetragonites text-fig Tonohamites Totton Toxoceratoides Tropaeum tubercles umbilical Umzamba Upper Aptian venter ventral Vervoort Wb/Wh whorl section Wiedmann Xenopus Zululand