These specimens are two halves of a fossil leaf from a spore fern. They are part and counterpart of one leaf. They each measure approximately 7.7 cm X 4.6 cm.
- Catalog Number:
- 51878
- Object/Specimen Description:
- Specimen Count:
- 2
- Precise Locality:
Mazon Creek
- Locality:
- US Great Lakes (MN, WI, IL, IN, OH, MI)
- Collecting Locality:
- North America, United States, Illinois, Grundy County
- Upper Level Taxonomy:
- Plantae