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Keywords from Image Description:
Liostrea trigilecula. en Liostrea strigilecula making up an ostreolith oyster ball Carmel Formation Jurassic of southwestern Utah USA own Wilson Photograph taken by Mark Wilson Department of Geology The College of Wooster wooster edu html Cczero Ostreidae fossils Jurassic Mollusca Carmel Formation Fossils of Utah Jurassic fossils