Object Details Record Last Modified 1 Dec 2014 USNM Number PAL318666 Published Name Orthoceras (Eu-orthoceras) ignotum Foerste See more items in Paleogeneral Types: Mollusca Paleozoic and Mesozoic ...
Prosser, Kindle. 1913. Maryland Geol.Survey Strat.Ser., Middle And Upper Devonian. pl.39,f.9.
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