Collignoniceras

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1	MISCELLANEOUS FIELD STUDIES MAP MF[removed]U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Version 1.0 Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2001-12-04 14:41:06 Geology of the Rocky Mountains Mancos Shale Baculites Maastrichtian Collignoniceras Fruitland Formation Cretaceous Pycnodonte newberryi Chinle Formation Phanerozoic Geologic time scale Mesozoic
2	PDF Document Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2006-10-19 14:07:41 Paleontology Ammonitida Scaphites Cretaceous Collignoniceras Maastrichtian Ammonoidea Cenomanian Collignoniceratidae Ammonites Geology Historical geology
3	PDF Document Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2001-12-04 14:41:07 Ammonitida Baculites Collignoniceras Pierre Shale Scaphites Mancos Shale Cretaceous Raton Formation Turonian Phanerozoic Geologic time scale Mesozoic