Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 140
... scale , the very long and quite smooth arm spines and the single large rounded tentacle scale . The only difference noted is that the disc spines are more elongate than usual in O. perfida , the height sometimes exceeding twice the ...
... scale , the very long and quite smooth arm spines and the single large rounded tentacle scale . The only difference noted is that the disc spines are more elongate than usual in O. perfida , the height sometimes exceeding twice the ...
Page 142
... scale . The reduced ventral scaling , the modified arm spines and the small tentacle scale agree with Amphiura atlantica , to which species it runs down in the 1976 key ; also the smaller specimens ( d.d. up to only 2 mm ) do have the ...
... scale . The reduced ventral scaling , the modified arm spines and the small tentacle scale agree with Amphiura atlantica , to which species it runs down in the 1976 key ; also the smaller specimens ( d.d. up to only 2 mm ) do have the ...
Page 144
... scales rectangular and very close - fitting . The main difference is the greater number of disc scales and the smaller size of the primaries , which are separated by only single series of relatively large scales in H. inornata , an ...
... scales rectangular and very close - fitting . The main difference is the greater number of disc scales and the smaller size of the primaries , which are separated by only single series of relatively large scales in H. inornata , an ...
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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