Fig. 70From: Smithian ammonoid faunas from Utah: implications for Early Triassic biostratigraphy, correlation and basinal paleogeographyBox plots of H/D, W/D and U/D for Meekoceras gracilitatis from Utah (this work) and Nevada (Jenks et al. 2010), “evolute” M. cf. gracilitatis from Nevada (Jenks et al. 2010) and Salt Range (Brühwiler et al. 2012c), M. cf. gracilitatis from the Canadian Arctic (Tozer 1961, 1994) and M. subcristatum from South Primorye (Zakharov 1968)Back to article page