Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 107, Issue 1South African Museum, 1898 - Natual history |
From inside the book
Results 1-3 of 21
Page 33
... distinct , siphonal keel is B. kirki , from the Santonian of California . According to Matsumoto ( 1959 : 143 ) , the keel is small and rounded , and not clearly developed on internal moulds , where the venter may be fastigiate . In the ...
... distinct , siphonal keel is B. kirki , from the Santonian of California . According to Matsumoto ( 1959 : 143 ) , the keel is small and rounded , and not clearly developed on internal moulds , where the venter may be fastigiate . In the ...
Page 59
... distinct lateral ribbing that splits over the venter . Apart from Eubaculites , the remaining Upper Campanian and Maastrichtian baculites of the different geographic regions are difficult to relate to the above lineages . Ornament in ...
... distinct lateral ribbing that splits over the venter . Apart from Eubaculites , the remaining Upper Campanian and Maastrichtian baculites of the different geographic regions are difficult to relate to the above lineages . Ornament in ...
Page 71
... distinct endemic lineages from the Coniacian onwards ; that of the US Western Interior is most conspicuous , and persisted until the early Maastrichtian . In the Maastrichtian , Eubaculites dominated the Gondwanan regions and Baculites ...
... distinct endemic lineages from the Coniacian onwards ; that of the US Western Interior is most conspicuous , and persisted until the early Maastrichtian . In the Maastrichtian , Eubaculites dominated the Gondwanan regions and Baculites ...
Other editions - View all
Common terms and phrases
9 figs Albian ammonites anceps aperture aquilaensis Baculites Baculites cf Baculites codyensis Reeside Baculites sp baculitid baculoides bailyi Bearpaw Shale BMNH body chamber Boehmoceras Brunnschweiler 1966 California capensis carinatus Cenomanian Chalk Cobban & Kennedy Collignon 1970 compressus Coniacian County Creek Elias Eubaculites fide Formation gaudini genus Baculites Hokkaido Holotype Holotype by monotypy Indo-Pacific Kennedy & Cobban Klinger & Kennedy kossmati Lechites Lectotype leopoliensis lineage Lower Campanian Lower Maastrichtian Maastrichtian macroconch Madagascar Matsumoto & Obata Matsumoto 1959 Meek Middle Campanian Moberg Montana Morton muscle scar NHMW Occurrence original of Collignon ovatus paratype phragmocone Pierre Shale Pseudobaculites Reeside Santonian Sciponoceras shell South Dakota Spath species specimens Stratigraphic distribution subanceps subsequent designation suture line text-fig Toole County Trachybaculites Turonian Type Upper Albian Upper Campanian Upper Maastrichtian Upper Turonian USGS Mesozoic locality USNM vagina vanhoepeni venter ventral vertebralis Western Interior whorl height whorl section Wright & Kennedy Wyoming yokoyamai zone Zululand