18 miles east of Lismas (AMNH) (Cretaceous of the United States)

Where: Valley County, Montana (47.9° N, 106.2° W: paleocoordinates 54.5° N, 79.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by B. Brown in 1909; reposited in the AMNH

Primary reference: R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48629: authorized by Matthew Carrano, entered by Matthew Carrano on 24.03.2005, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Thescelosaurus neglectus2 Gilmore 1913 ornithopod
Galton 1997 lists AMNH 5020, but AMNH site lists AMNH 5052; confirmed by Galton 1974
 Ornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
AMNH 5053
 Testudinata - Baenidae
Palatobaena bairdi1 Gaffney 1972 turtle
AMNH 2603 (nearly complete lower jaws)