The Natural Canvas / 5331 Fossil Arthropods -- Crabs, Shrimp, Eurypterids and Problematica Purchase here: ncanvas@aol.com

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Procambarus

Eocene, Green River Formation, Wyoming, USA

Procambarus primaevus (Packard) -- Excellent 3.0cm crayfish centered on 6.2cm slab. RARE

SOLD - Please inquire about other specimens