Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 116
... appear to be a specific specialization not transmitted to any younger known species of the genus . ' Metoicoceras irwini Moreman ( 1927 : 92 , pl . 13 ( figs 3-4 ) ) is a compressed , very involute species with about 32 prorsiradiate ...
... appear to be a specific specialization not transmitted to any younger known species of the genus . ' Metoicoceras irwini Moreman ( 1927 : 92 , pl . 13 ( figs 3-4 ) ) is a compressed , very involute species with about 32 prorsiradiate ...
Page 128
... appear to invalidate Wiedmann's subdivision of the family Vascoceratidae . Genus Vascoceras Choffat , 1898 Type ... appear ; prorsiradiate ribs , uninterrupted crossing the venter , usually appear at a late stage . They rarely attain the ...
... appear to invalidate Wiedmann's subdivision of the family Vascoceratidae . Genus Vascoceras Choffat , 1898 Type ... appear ; prorsiradiate ribs , uninterrupted crossing the venter , usually appear at a late stage . They rarely attain the ...
Page 203
... appear that all of these specimens are immature , and that this is merely a juvenile variation , as others from the same sample have uropods almost identical with those of adults . The sculpturing of the carapace is also less pronounced ...
... appear that all of these specimens are immature , and that this is merely a juvenile variation , as others from the same sample have uropods almost identical with those of adults . The sculpturing of the carapace is also less pronounced ...
Contents
BARNARD J L | 40 |
Province were first reported by Singer Hooijer 1958 The specimen described | 84 |
BEST P B see Ross J | 147 |
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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