Fig. 64From: Smithian ammonoid faunas from Utah: implications for Early Triassic biostratigraphy, correlation and basinal paleogeography Anasibirites multiformis Welter 1922. All from the Anasibirites kingianus beds, Smithian; a, b UBGD 275102, loc. DH1-13, Confusion Range; c, d UBGD 275103, loc. DH1-13, Confusion Range; e–g UBGD 275104, loc. RCA1, San Rafael Swell areaBack to article page