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ENIGMATIC FOSSIL - CARBONIFEROUS, OKLAHOMA
Conostrichus pulcher Branson
A biogenic sandstone conical structure of unknown affinity. Variously interpreted as a plant, a sponge, a medusoid, a syphomedusian or the trace fossil (feeding burrow) of an Arenicola-like worm. I favour the latter explanation. Weird and wonderful!
Carboniferous, Pennsylvanian, Keystone Sand
Creek County, Oklahoma, USA
Structure: 41.5 x 41.5 x 4 cm
Our Price: £15.00
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