1. Middle Devonian chitinozoa of Indiana Author/Creator: Wright, Robert Paul Publication/Creation: Bloomington, Ind. : [State of Indiana, Dept. of Natural Resources, Geological Survey], [1980] Resource Type: Book Access & Availability: Loading
2. Marine Jurassic of Wyoming and South Dakota : its paleoenvironments and paleobiogeography Author/Creator: Wright, Robert Paul Publication/Creation: [Place of publication not identified] : University of Michigan, Museum of Paleontology, 1973 Resource Type: Book Access & Availability: Loading