Atractosteus simplex (Leidy, 1873)
Atracosteus simplex (Leidy, 1873)
former name: Lepisosteus simplex
Middle Eocene
Green River Formation
Kemmerer
Wyoming USA
Length 29"/ 73cm
By oilshale
Atracosteus simplex (Leidy, 1873)
former name: Lepisosteus simplex
Middle Eocene
Green River Formation
Kemmerer
Wyoming USA
Length 29"/ 73cm
By Stan Sweaney,
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