Meriditt mine, 6 miles southwest of Geyser (Cretaceous of the United States)

Where: Cascade County, Montana (47.2° N, 110.6° W: paleocoordinates 47.4° N, 58.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kootenai Formation, Aptian (125.0 - 113.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by F.H. Knowlton; reposited in the USNM

Primary reference: E. G. Mitchell. 1908. An apparently new protoblattid family from the Lower Cretaceous. Smithsonian Miscellaneous Collections 52:85-86 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152619: authorized by Matthew Clapham, entered by Matthew Clapham on 27.11.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Blattaria - Lygobiidae
Lygobius knowltoni n. gen. n. sp.
Lygobius knowltoni n. gen. n. sp. Mitchell 1908 cockroach
USNM 50461