Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 58
... developed bone ( SAM – 9940 , 9941 , 9955 ) extending anteriorly as a wide curved blade ; as it reaches the maxilla it narrows , forming a channelled tip ( SAM - 9940 ) that overlies the maxilla , curving along with the latter until it ...
... developed bone ( SAM – 9940 , 9941 , 9955 ) extending anteriorly as a wide curved blade ; as it reaches the maxilla it narrows , forming a channelled tip ( SAM - 9940 ) that overlies the maxilla , curving along with the latter until it ...
Page 206
... developed and granular ; ventral and ventro- lateral keels very prominent ; the posterior granule of the dorsal keel slightly enlarged ; the dorsal shagreened area forming a deep oval depression anteriorly ; finely granular ridges ...
... developed and granular ; ventral and ventro- lateral keels very prominent ; the posterior granule of the dorsal keel slightly enlarged ; the dorsal shagreened area forming a deep oval depression anteriorly ; finely granular ridges ...
Page 341
... developed only on one side , due to injury . Ventral tubercles are variably developed on the inter- mediaries . They may appear as distinct tubercles or merely as slight edges on the ventrolateral sides of the whorl . The major ribs are ...
... developed only on one side , due to injury . Ventral tubercles are variably developed on the inter- mediaries . They may appear as distinct tubercles or merely as slight edges on the ventrolateral sides of the whorl . The major ribs are ...
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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