Gateway to the Paleobiology Database
Icaronycteris Type Locality (Eocene of the United States)

Also known as Fossil Lake; Green River

Where: Lincoln County, Wyoming (41.8° N, 110.7° W: paleocoordinates 46.9° N, 94.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Green River Formation, Wasatchian (55.8 - 50.3 Ma)

• "about 21 m above Wasatchian Knight Formation"; "of Lysite age"

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - small; brown, yellow marl

• "relatively small Fossil Lake"
• "marlstone... pairs of layers... fine-grained clastic material, one being a thin dark-brown layer; the other, thicker, more granular, and light-buff in color"

Size class: macrofossils

Preservation: adpression

Collection methods: quarrying,

• nearby fish occurrences presumably are omitted

Primary reference: G. L. Jepsen. 1966. Early Eocene bat from Wyoming. Science 154(3754):1333-1339 [J. Alroy/J. Alroy/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37809: authorized by John Alroy, entered by John Alroy on 24.03.2004

Creative Commons license: CC BY (attribution)