Part of these species are known from the Fox Hills beds in other regions, and most of them occur also in the Pierre and Bearpaw shales. It has long been known that the faunas of the Fox Hills and Fort Pierre are too closely related to be considered really... Bulletin - Side 541905Fuld visning - Om denne bog
| Waldemar Lindgren, Frederick Leslie Ransome - 1904 - 456 sider
...Protocardia bnrealis, Tancredia americana, Call'inta cr»sts, and Scaphites nodoxus var. quadranguJaris. Part of these species are known from the Fox Hills...feet of soft, light-colored, yellow sandstones with a 0-foot vein of lignite near the base. These beds may belong to the Laramie as it has been mapped by... | |
| John Bell Hatcher - 1903 - 302 sider
...Yoldia) evansi, Avicula nebrascana, Protocardia borealix, Tancredia americana, Callista nebrascemis, and Scaphites nodosus var. quadrangular is. Part of...the base. These beds may belong to the Laramie as it has been mapped by McConnell, although we were unable to find any fossils in them by which to determine... | |
| Geological Survey (U.S.) - 1905 - 232 sider
...Protocardia borealis, Tancredia americana, Callista nel>rascm-sis, and Scaphites nodosus var. quadrangularis. Part of these species are known from the Fox Hills...feet of soft, light-colored, yellow sandstones with a 0-foot vein of lignite near the base. These beds may belong to the Laramie as it has been mapped by... | |
| Geological Survey of Canada - 1927 - 326 sider
...and Hatcher, JB: US GeoT. Surv., Bull. 2S7, p. 55. 36378-2} II I • ao 11 II §6 ll •a .s I1 18 B Pierre and Bearpaw shales. It has long been known that the faunas of the Fox Hills and the Pierre are too closely related to be considered really distinct." E8TEVAN The Estevan beds overlie... | |
| Geological Survey of Canada - 1927 - 350 sider
...Hatcher, JB: US Geo). Surv., Bull. 257, p. 65. 36878— 2J *I aS « a H °i 1 II § P fi«8 ^S '5.2 ° Pierre and Bearpaw shales. It has long been known that the faunas of the Fox Hills and the Pierre are too closely related to be considered really distinct." E8TEVAN The Estevan beds overlie... | |
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