Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 108
... stage than at later growth stages of many other examples , i.e. SAM - PCA2827 ( Fig . 26A - B ) . Beyond this growth stage ribbing is effaced entirely and the ornament comprises occasional , very irregularly developed , umbilical bullae ...
... stage than at later growth stages of many other examples , i.e. SAM - PCA2827 ( Fig . 26A - B ) . Beyond this growth stage ribbing is effaced entirely and the ornament comprises occasional , very irregularly developed , umbilical bullae ...
Page 128
... stages ; less involute later . During growth , there is either a short or a very long stage without any ornament ... stage . They rarely attain the umbilical border . The suture is simple and typical for the family . ' Freund & Raab ...
... stages ; less involute later . During growth , there is either a short or a very long stage without any ornament ... stage . They rarely attain the umbilical border . The suture is simple and typical for the family . ' Freund & Raab ...
Page 129
... stage . In most species the ribs disappear before the tubercles , and in others , the reverse is true . Outermost whorls usually smooth . Suture deeply incised and rather complicated relative to the common one of the family . Three or ...
... stage . In most species the ribs disappear before the tubercles , and in others , the reverse is true . Outermost whorls usually smooth . Suture deeply incised and rather complicated relative to the common one of the family . Three or ...
Contents
BARNARD J L | 40 |
Province were first reported by Singer Hooijer 1958 The specimen described | 84 |
BEST P B see Ross J | 147 |
Copyright | |
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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 carapace Carapace Fig carina carpus Cenomanian cephalothorax Cobban & Scott Collignon coloradoense crabeater seal diameter 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 paratypes Peduncle of uropod pereiopod 1 Fig pleopods plumose setae Pseudocalycoceras pseudorostral lobes Puzosia rest of limb rounded 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