1. Map showing structure contours on the top of the upper Jurassic Morrison Formation, Powder River Basin, Wyoming and Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map 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
3. The Middle Jurassic (mainly Bathonian) of Cardigan Bay and its palaeogeographical significance Author/Creator: Pennie Publication/Creation: London : H.M. Stationery Off, 1976 Resource Type: Book Access & Availability: Loading