Bonin school house (Paleocene of the United States)

Where: McCone County, Montana (47.6° N, 106.6° W: paleocoordinates 53.8° N, 82.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Tullock Member (Fort Union Formation), Early/Lower Paleocene (66.0 - 61.7 Ma)

• Age of deposits follows Sloan et al. (1986)

• formation-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified, fine-grained, hematitic, gray, calcareous sandstone

• The matrix is a light gray, calcareous, fine-grained sandstone that weathers to a reddish-brown color.

Size class: macrofossils

Preservation: adpression

Collected by Amateur fossil collectors in 1940; reposited in the FLMNH

Primary reference: L. Grande. 1988. A Well Preserved Paracanthopterygian Fish (Teleostei) from Freshwater Lower Paleocene Deposits of Montana. Journal of Vertebrate Paleontology 8(2):117-130 [S. Peters/S. McMullen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133583: authorized by Shanan Peters, entered by Sharon McMullen on 17.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• FMNH PF12916
Actinopteri
 Anacanthini - Mcconichthyidae
Mcconichthys longipinnis n. gen. n. sp.
Mcconichthys longipinnis n. gen. n. sp.