Fig. 22From: Smithian ammonoid faunas from Utah: implications for Early Triassic biostratigraphy, correlation and basinal paleogeographyBox plots of H/D, W/D and U/D for Preflorianites toulai from Utah, Nevada and the Caucasus (this work, Kummel and Steele 1962 and Shevyrev 1995, respectively) and P. radians from Primorye, South China and Oman (Zakharov 1968, Brayard and Bucher 2008 and Brühwiler et al. 2012a, respectively)Back to article page