U.S. Geological Survey Professional Paper

Alaska Peninsula Arthur Grantz Asthenoceras Bajocian ammonite localities beds bifurcata Westermann body chamber body whorl Bradfordia costidensa Imlay Cook Inlet Creek Siltstone D. J. Miller Detterman Docidoceras Pseudocidoceras Dorsetensia early and middle Erycitoides howelli White figs Fitz Creek Fontannesia fossil Genus Graphoceras Hammatoceras Imlay and D. J. Iniskin Bay Jurassic Kialagvik Formation kialagvikensis White L. B. Kellum Leptosphinctes location as USGS lower Bajocian massive McLearn middle Bajocian ammonites NE¹ Nelchina northeast Otoites sauzei Papilliceras Preston Creek Puale Bay quad R. W. Imlay Red Glacier Formation Richard Hoare sandstone secondary ribs shale Short Creek side of Cook side of Wide siltstone Sonninia Euhoploceras southern Alaska Sowerby specimen Stemmatoceras Stephanoceras stratigraphic Talkeetna Mountains Teloceras Tmetoceras scissum Benecke Toarcian Tuxedni Bay Tuxedni Group USGS Mesozoic loc USNM VABM west of Cook whiteavesi White whorl Wide Bay Wide Bay area widebayense Witchellia Wrangell Mountains zonule