Marine Invertebrate Fossils of Pierre Shale, Kremmling, CO

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For reference to Pinna laqueata in previous 5 images\nPlate from Whitfield, R. P. 1886\nFig's 1-2 = Pinna laqueata Conrad\nFig's 3-4 = Pinna rostriformis Morton\nFig 5 = Gervilliopsis ensiformis Conrad\nBrachiopoda and lamellibranchiata of the Raritan clays and greensand marls. Geological Survey of New Jersey; plate XVI.
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For reference to Pinna laqueata in previous 5 images
Plate from Whitfield, R. P. 1886
Fig's 1-2 = Pinna laqueata Conrad
Fig's 3-4 = Pinna rostriformis Morton
Fig 5 = Gervilliopsis ensiformis Conrad
Brachiopoda and lamellibranchiata of the Raritan clays and greensand marls. Geological Survey of New Jersey; plate XVI.