Table 1 in A new fossil Euspira? (Mollusca: Gastropoda: Naticidae) from the Gubik Formation on the North Slope of Arctic Alaska

Table 1. Correction of Pliocene and Pleistocene marine transgressions of western and northern Alaska (after Marincovich and Powell, 1991). Age (Hopkins 1965, 1967, Carter et al. 1986)Bering Sea (Kaufman et al. 1989, Hopkins, written common., 1990 in Marincovich and Powell 1991)Western and northern Alaska (Brouwers et al. 1984)Skull Cliff (northwest Alaskan coast) (Brigham 1985, these units are all informal)Arctic Coastal Plain (Carter et al. 1986)<4 kaKrusensternianFlandrian—Flandriancirca. 25 ka———Middle Wisconsin90–105 ka—Flaxsman Fm.—Simpsonian120–130 kaPelukianPelukianWalakpa bedsPelukiancirca. 500 kaAnvilianKotzebuanKarmuk bedsWainwrightian>1.5 Ma, <2.4 MaBeringian IIIFishcreekianTuapaktushak bedsFishcreekian>2.4 MaBeringian IIAnvilianKilli Creek bedsBigbendian<3.5 MaBeringian IBeringianNulavik bedsColvillian