Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region of the United States / / by Ralph W. Imlay

• Autore: Imlay Ralph W (Ralph Willard), <1908-1989, >
• Pubblicazione: Washington : , : United States Department of the Interior, Geological Survey, , 1982
• Descrizione fisica: 1 online resource (iv, 44 pages, 26 unnumbered pages of plates) : illustrations, map
• Soggetto topico: Ammonoidea; Paleontology - Jurassic; Paleontology - West (U.S.); Jurassic Geologic Period; Paleontology
• Soggetto geografico: United States, West
• Note generali: Title from title screen (viewed October 14, 2014).; "Marine waters invaded Montana in late Callovian time, advanced southward across Wyoming in early Oxfordian time, and persisted in Montana during late Oxfordian time."
• Nota di bibliografia: Includes bibliographical references (pages 41-42) and index.
• Altri titoli varianti: Jurassic
• Titolo autorizzato: Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region of the United States
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910709662203321
• Lo trovi qui: Univ. Federico II