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New Miocene Crab Fossil Portunus pankowskiorum - California

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New Miocene Crab Fossil Portunus pankowskiorum - California
$250.00

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Portunus pankowskiorum (Schweitzer & Feldmann, 2015)

Monterey Shale
Santa Barbara county, California, USA

Miocene Period (16-13 Million Years Old)

Crab : 2.57 x 1.49 inches
Matrix : 5.73 x 4.26 inches

1 inch = 2.54 cm

A very uncommon crab from the classic quarry locality written about in the 2015 publication, Antolini & Sons Quarry. This specimen came from a very old collection. The specimen is as it came to me, with a break across the top that was repaired long ago. Often times when these are found you need to excavate the remaining half from the split shale.
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Discovered along California's central coast, these crabs are found in the abundant shale south of Monterey Bay, the Monterey Shale. In a very specific layer, dating to 16-13 million years ago, I discovered these portunus fossils preserved in incredible detail in the shale. Typical of a tropical coastal environment, these crabs are also found among the remains of fish, pine needles and cones, palm fronds, and other species of crabs.

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