Dorsal spine   New

    Out of stock

    Dorsal spine  ;  an Extinct Primitive shark. Nicely articulation. A quality specimen!  New Kansas location.

    Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

    Location: Lenexa, Johnson Co., Kansas

    Z115            SIZE: 15/16"

    This catalog includes a great selection of very rare Mississippian age (347 MM years ago) and Pennsylvanian age (300 MM years ago). The Paleozoic sharks are the first to evolve and the quantity of fossilized specimens is very small. The Paleozoic specimens are incredibly rare compared to the later period sharks, but are still affordable! Note - I added some incredible Nebraska and Iowa pieces from an old collection assembled during 1950-1980s. These locations are no longer in existence.

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