Fig. 3
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Schematic map of the northern part of the San Angelo (Psa) outcrop in North Central Texas. Abbreviations: X: vertebrate localities of Olson (1962); P: plant collections reported by DiMichele et al. (2001, 2004); A: ammonoid localities of Clifton (1942). Outcrop adapted from Hentz and Brown (1987) and Eifler et al. (1993, 1994).
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