List of Localities

Numbers refer to Figs. 13.1 and 13.2.

1. AMNH loc. 3274: Upper Campanian Baculites compressus-B. cuneatus Zones, Pierre Shale, SE/ sec. 6, T. 3N, R. 14E, Elk Creek, Meade County, South Dakota.

2. AMNH locs. 3280, 3281, 3294, and 3296: Lower Campanian Baculites sp. (smooth) Zone, Gammon Ferruginous Member, Pierre Shale, SW/ sec. 21, east center sec. 27, SE/ sec. 17, sec. 27, T. 11N, R. 2E, respectively, Butte County, South Dakota.

3. Lower Campanian Baculites sp. (weak flank ribs) Zone, Cody Shale, sec. 6, T. 40N, R. 79W, Natrona County, Wyoming.

4. Upper Campanian Baculites eliasi Zone, Lewis Shale, sec. 30, T. 35N, R. 84W, Natrona County, Wyoming.

5. Lower Campanian Baculites sp. (smooth)-Baculites sp. (weak flank ribs) Zones, upper part of Mooreville Chalk, sec. 10, T. 22N, R. 1W, Greene County, Alabama.

6. Lower Campanian Baculites sp. (smooth)-Baculites sp. (weak flank ribs) Zones, upper part of Mooreville Chalk, sec. 26, T. 22N, R. 1W, Dallas County, Alabama.

7. Lower Campanian Hesperornis Zone, Smoky Hill Chalk Member of the Niobrara Formation, NW corner, Rooks County, Kansas.

Fig. 13.1 Map of part of the USA showing the localities mentioned in the text.

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