Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 71
... ventral ribbing ( on the body chamber at least ) . Sciponoceras glaessneri Wright ( 1963 : 599 , pl . 81 ( figs 2-3 ) ) from the Middle Cenomanian of Bathurst Island , Australia , is more inflated at large growth stages , with more ...
... ventral ribbing ( on the body chamber at least ) . Sciponoceras glaessneri Wright ( 1963 : 599 , pl . 81 ( figs 2-3 ) ) from the Middle Cenomanian of Bathurst Island , Australia , is more inflated at large growth stages , with more ...
Page 85
... ventral tuberculation persists to maturity . Age : Upper Middle Cenomanian - Uppermost Cenomanian . C. ( Lotzeites ) . Small , Cheloniceras homoeomorphs with ribbing looped across the venter between prominent lower ventro - lateral ...
... ventral tuberculation persists to maturity . Age : Upper Middle Cenomanian - Uppermost Cenomanian . C. ( Lotzeites ) . Small , Cheloniceras homoeomorphs with ribbing looped across the venter between prominent lower ventro - lateral ...
Page 109
... ventral sulci are weakly developed , forming two shallow grooves on either side of the keel . The serrated keel is formed by the joining together of the asymmetrical siphonal tubercles which are steepest adapically . SAM - PCA2826 ( Fig ...
... ventral sulci are weakly developed , forming two shallow grooves on either side of the keel . The serrated keel is formed by the joining together of the asymmetrical siphonal tubercles which are steepest adapically . SAM - PCA2826 ( Fig ...
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