Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
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Page 74
... distinct orders or ribbing ; distant , long flexuous main ribs with many shorter , flexuous intercalated ribs . ' The lectotype of Austiniceras austeni is a gigantic specimen 410 mm in diameter and juveniles of this species are not yet ...
... distinct orders or ribbing ; distant , long flexuous main ribs with many shorter , flexuous intercalated ribs . ' The lectotype of Austiniceras austeni is a gigantic specimen 410 mm in diameter and juveniles of this species are not yet ...
Page 114
... distinct , umbilical bullae giving rise to prorsiradiate ribs which broaden ventrally . There are about 9 such umbilical bullae ( and main ribs ) at a diameter of about 85 mm . Between main ribs there are generally 2 intercalatories ...
... distinct , umbilical bullae giving rise to prorsiradiate ribs which broaden ventrally . There are about 9 such umbilical bullae ( and main ribs ) at a diameter of about 85 mm . Between main ribs there are generally 2 intercalatories ...
Page 237
... distinct from those from other regions , but the amount of variability in the genus is so great that it is difficult to state with certainty that the species are distinct entities and not genetic variations of species from other regions ...
... distinct from those from other regions , but the amount of variability in the genus is so great that it is difficult to state with certainty that the species are distinct entities and not genetic variations of species from other regions ...
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