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Chad Bruce posted a new specimen in the group What is it? from the myFOSSIL app 3 years, 10 months ago
3 years, 10 months ago3 years, 10 months agoChad Bruce has contributed a new specimen to myFOSSIL!
Chad Bruce posted a new specimen in the group What is it? from the myFOSSIL app 3 years, 10 months ago
Chad Bruce has contributed a new specimen to myFOSSIL!
This could be an internal cast of a Brachiopod. Shell fills with sediment and dissolves away leaving behind a replica of the inside of the critter rather than the outside. These internal casts are called steinkerns.