Late Triassic vertebrates from the Dockum Formation near Otis Chalk, Howard County, Texas
Spencer G. Lucas, Adrian P. Hunt, and Robert Kahle
Fossil vertebrates from the Otis Chalk area of Howard County, Texas represent a diverse fauna of fishes, amphibians and reptiles. These fossils are from the latan Member of the Upper Triassic Dockum Formation. The presence of the phytosaur Paleorhinus indicates a late Carnian (early Tuvalian) age for the vertebrate fauna.
- Lucas, Spencer G.; Hunt, Adrian P.; Kahle, Robert, 1993, Late Triassic vertebrates from the Dockum Formation near Otis Chalk, Howard County, Texas, in: Carlsbad Region, New Mexico and West Texas, Love, David W.; Hawley, John W.; Kues, Barry S.; Adams, Jim W.; Austin, George S.; Barker, James M., New Mexico Geological Society, Guidebook, 44th Field Conference, pp. 237-244.