Boquillas Formation

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The Boquillas Formation is a Turonian geologic unit in Big Bend National Park. Fish bones and shark teeth are preserved in its sediments.[1]


  1. ^ "Big Bend National Park," Hunt, Santucci, and Kenworthy (2006); page 65.


  • Hunt, ReBecca K., Vincent L. Santucci and Jason Kenworthy. 2006. "A preliminary inventory of fossil fish from National Park Service units." in S.G. Lucas, J.A. Spielmann, P.M. Hester, J.P. Kenworthy, and V.L. Santucci (ed.s), Fossils from Federal Lands. New Mexico Museum of Natural History and Science Bulletin 34, pp. 63–69.