Late Mississippian (Arnsbergian Stage E2 Chronozone) ammonoid paleontology and biostratigraphy of the Antler foreland basin, California, Nevada, and Utah (B-131) Gem Trails Rich in detail and spanning

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Late Mississippian (Arnsbergian Stage E2 Chronozone) ammonoid paleontology and biostratigraphy of the Antler foreland basin, California, Nevada, and Utah (B-131) Gem Trails Rich in detail and spanningBy: A. L. Titus One of the most important functions of paleontology in the earth sciences is time correlation of rock strata using taxonomic analysis of fossils in different regions. Comparisons of certain species similarities between regions frequently allows for precise age dating and correlation of strata limited only by the presence absence of species and the speed at which they evolved. Between their first appearance in the early middle Devonian