Big Beautiful Alethopteris Seed Fern Fossil Leaf from Oklahoma

Name: Alethopteris sp. (seed fern)

Division: Pteridospermatophyta - gymnosperm

Geological Time: Pennsylvannian

Size (25.4 mm = 1 inch): 55 x 175mm

Location: PellaTonka Formation, Northeast Oklahoma

An especially big and beautiful seed fern fossil leaf from a little known locality. They seldom come any prettier. Such seed ferns predominated in the late Carboniferous before dissapearing at the end of the Permian

click fossil pictures to enlarge

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