Atractosteus simplex (Leidy, 1873)
Atracosteus simplex (Leidy, 1873)
former name: Lepisosteus simplex
Green River Formation
Kemmerer
Wyoming USA
Length 50cm / 20"
By oilshale
Atracosteus simplex (Leidy, 1873)
former name: Lepisosteus simplex
Green River Formation
Kemmerer
Wyoming USA
Length 50cm / 20"
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