Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 138
... plates each side of the interradius compared with 2 in the holotype , though Madsen found up to 4 and Cherbonnier and Nataf up to 5 in their specimens from West Africa . Family Benthopectinidae Cheiraster triplacanthus Fisher Cheiraster ...
... plates each side of the interradius compared with 2 in the holotype , though Madsen found up to 4 and Cherbonnier and Nataf up to 5 in their specimens from West Africa . Family Benthopectinidae Cheiraster triplacanthus Fisher Cheiraster ...
Page 140
... plates . The distal oral papilla , the relatively broad , rounded single tentacle scale and the coarse granules on the oral plates serve to distinguish it from the other South African Ophiacanthidae . It agrees with Ophiolimna perfida ...
... plates . The distal oral papilla , the relatively broad , rounded single tentacle scale and the coarse granules on the oral plates serve to distinguish it from the other South African Ophiacanthidae . It agrees with Ophiolimna perfida ...
Page 142
... plates are narrowly separated by the lateral arm plates , there are five arm spines proximally , the lower ones tending to be slightly truncated and even a little bihamulate with a suggestion of a distal hook and there is one small ...
... plates are narrowly separated by the lateral arm plates , there are five arm spines proximally , the lower ones tending to be slightly truncated and even a little bihamulate with a suggestion of a distal hook and there is one small ...
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Common terms and phrases
abbreviations adcauline adnate Africa Albian Allman Ammonites Ammonoidea Amphipoda Ancyloceras Adouliceras aperture Aptian Australiceras author's name authors bicuspidata BMNH body chamber cala Cape Town Casey Cenomanian coiling Collignon constrictions Cretaceous Crioceras crozier described Description distal dorsal dorsum Eoxenopoides reuningi fauna figures flanks fossil frogs Gastropoda genus geol gonothecae H. L. Clark Haughton Helicancyloceras Hoepen holotype hydrocladia hydroids hydrothecae indra internode italics Kerguelen Kossmat Late Santonian lateral Lectotype length lobe locality Lower Aptian Maastrichtian material metres Millard Mozambique nematothecae occur ornament paratypes Pedicel phragmocone pipids Pondoland Pseudophyllites references ribs rounded Saghalinites Santonian Santonian to early scientific name segments separated Sertularella shaft shoulder Sinzow South African Museum southern Spath species specimens spines Stechow stem subheadings subtimotheanus SUID-AFRIKAANSE MUSEUM suture Symplectoscyphus Synonymy Tetragonites text-fig Tonohamites Totton Toxoceratoides transverse Tropaeum tubercles Upper Aptian venter ventral vertebrae Vervoort Wb/Wh whorl section Wiedmann Xenopus Zool Zululand Zygophylax