Great Falls Locality 4 (Cretaceous of the United States)

Where: Cascade County, Montana (47.5° N, 111.4° W: paleocoordinates 47.8° N, 59.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; shale and lenticular sandstone

Size class: macrofossils

Preservation: original carbon

Collection methods: surface (in situ),

Primary reference: C. A. Lapasha and C. N. Miller. 1985. Flora of the Early Cretaceous Kootenai Formation in Montana, Bryophytes and Tracheophytes Excluding Conifers. Palaeontographica Abteilung B 196:111-145 [H. Sims/H. Lindon/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35546: authorized by Hallie Sims, entered by Jason Cassara on 19.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Ginkgoopsida
 Caytoniales - Caytoniaceae
Sagenopteris williamsii Bell 1956
(Newberry) Bell