Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 92
... separated from Eucalyco- ceras on differences in the suture - line . In the emended diagnosis given by Cobban & Scott ( 1972 : 64 ) , this genus comprises moderately large , compressed forms ( Fig . 20 ) in which prominent prorsiradiate ...
... separated from Eucalyco- ceras on differences in the suture - line . In the emended diagnosis given by Cobban & Scott ( 1972 : 64 ) , this genus comprises moderately large , compressed forms ( Fig . 20 ) in which prominent prorsiradiate ...
Page 122
... separated . The two species W. amudariense ( Arkhangel'skii ) and W. coloradoense ( Henderson ) thus show all the prerequisites of sexual dimorphism , viz . the inner whorls appear to be indistinguishable ; they attain maturity at ...
... separated . The two species W. amudariense ( Arkhangel'skii ) and W. coloradoense ( Henderson ) thus show all the prerequisites of sexual dimorphism , viz . the inner whorls appear to be indistinguishable ; they attain maturity at ...
Page 163
... separated , and are placed in the new genus Austrocuma . Representatives of Cyclaspis carinata Zimmer , 1921 occur in the collection . Further examination shows them to be quite atypical for the genus : the second pereiopod is 7 ...
... separated , and are placed in the new genus Austrocuma . Representatives of Cyclaspis carinata Zimmer , 1921 occur in the collection . Further examination shows them to be quite atypical for the genus : the second pereiopod is 7 ...
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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