Mazonomya mazonensis

See on museum website

Description

A siderite concretion that was split open to reveal an impression of a bivalve. Mazon Creek, IL is a famous fossil locality containing plants and animals from 309 million years ago. These fossils formed from a large flooding event that rapidly buried organisms, allowing for soft parts to be preserved.

Object Information

Local ID:

2019.1.1692

Collection:

Fossils