Annals of the South African Museum, Volume 75The Museum, 1978 - Natual history |
From inside the book
Results 1-3 of 31
Page 108
... ornament . The greatest width is at mid - flank . In SAM - PCA2835 ( Fig . 12G - H ) tuberculation is again very poorly developed , whilst there are only about seven major ribs per half whorl . Between these , however , are numerous ...
... ornament . The greatest width is at mid - flank . In SAM - PCA2835 ( Fig . 12G - H ) tuberculation is again very poorly developed , whilst there are only about seven major ribs per half whorl . Between these , however , are numerous ...
Page 125
... ornament first appears is also variable . Thus , typical ' Watinoceras coloradoense- type ' ornament appears at only 25 mm diameter in ' Acanthoceras ' amudariense var . horridum , whereas the Angolan example still retains ' Watinoceras ...
... ornament first appears is also variable . Thus , typical ' Watinoceras coloradoense- type ' ornament appears at only 25 mm diameter in ' Acanthoceras ' amudariense var . horridum , whereas the Angolan example still retains ' Watinoceras ...
Page 129
... Ornament preserved until a late 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 ...
... Ornament preserved until a late 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 ...
Other editions - View all
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