Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 61
... whorl covered . The whorl section at the adoral end of the outer whorl is oval , slightly depressed , with convex flanks converging slightly towards the evenly rounded venter . The preceding whorl , however , shows a more depressed whorl ...
... whorl covered . The whorl section at the adoral end of the outer whorl is oval , slightly depressed , with convex flanks converging slightly towards the evenly rounded venter . The preceding whorl , however , shows a more depressed whorl ...
Page 115
... whorls show prominent umbilical bullae , about 10 per whorl , giving rise to slightly prorsiradiate ribs , between which are 1-2 intercalatories . At the venter , at about 40 mm diameter , there are about 30 ribs per whorl . All ribs ...
... whorls show prominent umbilical bullae , about 10 per whorl , giving rise to slightly prorsiradiate ribs , between which are 1-2 intercalatories . At the venter , at about 40 mm diameter , there are about 30 ribs per whorl . All ribs ...
Page 116
... whorl , half of which is body chamber . Prior to the start of the body chamber all ribs are ornamented with weak lower ventro - lateral tubercles and prominent upper ventro - lateral clavi . On the adapical half of the outer whorl the ...
... whorl , half of which is body chamber . Prior to the start of the body chamber all ribs are ornamented with weak lower ventro - lateral tubercles and prominent upper ventro - lateral clavi . On the adapical half of the outer whorl the ...
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Common terms and phrases
1-segmented abdominal somites accessory flagellum Adult male aesthetascs Africa Ammonites Antenna 1 Fig antennal notch anterolateral angle Basis of maxilliped basis of pereiopod Bodotria body chamber Calycoceras Cape carapace Carapace Fig carina carpus Cenomanian Cobban & Scott Collignon crabeater seal Cumacea diameter DIEGO Dorsal view endopod eyelobe fauna flagellum flanks genus geol half length holotype inner edge Integument Iphinoe ischium Kanabiceras lateral carina Lateral view long as deep lower ventro-lateral tubercles Matsumoto maxilliped maxilliped 3 Fig merus merus and carpus Metoicoceras Moreman outer whorl Ovigerous female paratype Peduncle of uropod pereiopod 1 Fig pleopods plumose setae Pseudocalycoceras pseudorostral lobes Puzosia rest of limb Sciponoceras Second pedigerous somite segment of exopod serrate setae shorter sideplates slightly longer South African Museum Spath specimens spines on inner stout subequal in length Thomel Turonian twice length Type species umbilicus uropod Vascoceras venter ventral view of carapace Watinoceras whorl section