Author:
Rohr David M.,Johns Ronald A.
Abstract
Oriostoma bromidensisn. sp., the oldest reported occurrence ofOriostomaMunier-Chalmas, 1876, is described from the Bromide Formation (Middle Ordovician, Blackriverian) of Oklahoma. The species is also the oldest known representative of the family Oriostomatidae Wenz, 1938. It is one of few gastropods known from the Bromide and is smaller than the widespread and abundantOriostomatypical of the Silurian.
Publisher
Cambridge University Press (CUP)
Reference29 articles.
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3. Part II—Conodont biostratigraphy of Fite Formation and Viola Group;Sweet;Oklahoma Geological Survey Bulletin,1983
4. Shaw F. C. 1974. Simpson Group (Middle Ordovician) Trilobites of Oklahoma. Paleontological Society Memoir 6, 54 p.
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