Greenhorn Limestone Formation

Age range: base of the Late/Upper Cenomanian to the top of the Turonian or 99.60000 to 89.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9USA (Colorado) (2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2782 2783 2784 2785 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2786)
Cenomanian100.5 - 93.9USA (Kansas) (44280)
Late/Upper Cenomanian99.6 - 93.5USA (Colorado) (132505 176972 176973 176974 176975 176976 176977 176978 176979 176980 176981 176987 176988 176990 177108 177109 177110 177116 177123)
Late/Upper Cenomanian99.6 - 93.5USA (Kansas) (106182 176989 213414 213415 213416 213417 213418 213419)
Late/Upper Cenomanian99.6 - 93.5USA (South Dakota) (44286 77738 77739 117819 178549)
Late/Upper Cenomanian99.6 - 93.5USA (New Mexico) (44245)
Middle Cenomanian99.6 - 93.5USA (Colorado) (35429 200669 213403)
Middle Cenomanian99.6 - 93.5USA (Kansas) (94538 106008)
Middle Cenomanian - Late/Upper Cenomanian99.6 - 93.5USA (New Mexico) (177091 177092)
Turonian93.9 - 89.8USA (Colorado) (2799 2800 2801 2802 2803 2805 2806 2804 3070 3071 3072 3073 3074)
Early/Lower Turonian93.5 - 89.3USA (Iowa) (213400)
Early/Lower Turonian93.5 - 89.3USA (Nebraska) (213402)
Early/Lower Turonian93.5 - 89.3USA (Colorado) (78162 78163 230901 230902 230903)
Early/Lower Turonian93.5 - 89.3USA (Kansas) (117806 117817 213384 213385 213386 213404 213410)
Early/Lower Turonian - Middle Turonian93.5 - 89.3USA (Kansas) (117807 117811 132610)