SIA0470: Sponge (Brachiospongia digitata)

SIA0470
Common Name:Sponge
Scientific Name:Mucrospirifer mucronatus
Photographer:Calvin J. Hamilton
Copyright:© 2003 Calvin J. Hamilton
Date:2003/11/10
Location:Kentucky

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SIA0470.jpg640 x 49540K
SIA0470.jpg1200 x 928123K
SIA0470.jpg2560 x 1980357K

Caption

This sponge is about 460 million years old and dates to the Middle Ordovician period.

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