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Paleogeographic distribution of Early Triassic ichthyopterygians, map modified from Brayard et al. (2009). Locality abbreviations as follows: (B) British Columbia; (C) South China; (I) Idaho; (K) South Kitakami; (N) Nevada (present study, highlighted in yellow); (S) Spitsbergen; (T) Timor. Arrows indicate inferred ammonoid dispersal routes (Brayard et al., 2009).
