Mazon Creek Mazonomya mazonensis Clam 30

£14.99
£14.99
Unavailable
per item
Sold out
SKU:

Mazonomya mazonensis (prev. Edmondia) Clam Positive and Negative Bivalves

Middle Pennsylvanian (Carboniferous), Francis Creek Shale, Braidwood, Illinois. USA

Mazon Creek bed nodule deposits.