Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 128
... Vascoceras Choffat , 1898 Type species Vascoceras gamai Choffat , 1898 The genus Vascoceras Choffat ( type species Vascoceras gamai Choffat , 1898 : 54 , pl . 7 , pl . 8 ( fig . 1 ) , pl . 10 ( fig . 2 ) , pl . 21 ) was diagnosed by ...
... Vascoceras Choffat , 1898 Type species Vascoceras gamai Choffat , 1898 The genus Vascoceras Choffat ( type species Vascoceras gamai Choffat , 1898 : 54 , pl . 7 , pl . 8 ( fig . 1 ) , pl . 10 ( fig . 2 ) , pl . 21 ) was diagnosed by ...
Page 129
... Vascoceras . Moreover , the umbilical tubercles are prominent , and there are traces of the ventral ribs in even the largest specimens . The young whorls , however , show distinctly the umbilical and ventral tubercles of Vascoceras ...
... Vascoceras . Moreover , the umbilical tubercles are prominent , and there are traces of the ventral ribs in even the largest specimens . The young whorls , however , show distinctly the umbilical and ventral tubercles of Vascoceras ...
Page 130
... ( Vascoceras ) , but more evolute and with a strongly depressed whorl section . Prominent swollen umbilical tubercles ... Vascoceras Choffat , 1898 Subgenus Paravascoceras Furon , 1935 Type species Vascoceras cauvini Chudeau , 1909 ...
... ( Vascoceras ) , but more evolute and with a strongly depressed whorl section . Prominent swollen umbilical tubercles ... Vascoceras Choffat , 1898 Subgenus Paravascoceras Furon , 1935 Type species Vascoceras cauvini Chudeau , 1909 ...
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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