Mazon Creek Fossils for Sale
Mazon Creek Fossils | The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions. These concretions were formed approximately 309 million years ago in the mid-Pennsylvanian period. These concretions frequently preserve both hard and soft tissues of animal and plant materials. In addition, many soft-bodied organisms that do not normally fossilize are preserved. See More Fossils for Sale
Showing 101–108 of 108 results
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Mazon Creek Jellyfish Nodule #25
$25.00 -
Mazon Creek Jellyfish Nodule #28
$25.00 -
Mazon Creek Jellyfish Nodule #29
$25.00 -
Sold out!
Mazon Creek Jellyfish Nodule #7
$25.00 -
Mazon Creek Jellyfish Nodule #8
$25.00 -
Mazon Creek Fern Nodule #19
$45.00 -
Mazon Creek Fern Nodule #18
$45.00 -
Mazon Creek Fern Nodule #16
$45.00