Tom Thumb Mine (Eocene of the United States)

Where: Ferry County, Washington (48.7° N, 118.8° W: paleocoordinates 52.7° N, 105.7° W)

• coordinate stated in text

When: Bridgerian mammal zone, Tom Thumb Tuff Member (Klondike Mountain Formation), Lutetian (47.8 - 41.3 Ma)

Environment/lithology: fluvial-lacustrine; shale

• fossils found in lake beds lower and middle units; lower beds are waterlaid tuff with pyroclastic texture. fossils in tuffaceous shales

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: M. V. H. Wilson. 1978. Eohiodon woodruffi n. sp. (Teleostei, Hiodontidae), from the middle Eocene Klondike Mountain Formation near Republic, Washington. Canadian Journal of Earth Sciences 15(5):679-686 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189960: authorized by Patricia Holroyd, entered by Patricia Holroyd on 23.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hiodontiformes - Hiodontidae
Eohiodon woodruffi n. sp. Wilson 1978