Cystoid - Fossil Quality:Staff pick It had a long
Description
It had a long
5cm x 8cm x 4cm
steel-gray
The male cave bears could grow to 3
Geological Age: Approximately 112 to 93 million years ago
Cystoid - Fossil Quality:Staff pick It had a longMined from: Osgood Shale, Napoleon Indiana Era: Silurian Geological Age: Approximately 430 to 428 mya Description: Step back over 420 million years with this rare specimen of Holocystites scutellatus silurian, an extinct marine organism belonging to the cystoid class of echinoderms. Cystoids are close relatives of modern crinoids and sea urchins but had their own distinctive, often geometric body structures. This fossilized specimen, originating from
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