LACM 7245, Engdahl Ranch (Cretaceous of the United States)

Also known as Jordan theropod

Where: Garfield County, Montana (47.5° N, 107.1° W: paleocoordinates 54.5° N, 79.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; gray claystone

• "dark gray clay"

Size class: macrofossils

Collected by H. Garbani in 1966; reposited in the LACM

Collection methods: quarrying, mechanical,

• collected by Harley Garbani, 1966

Primary reference: R. E. Molnar. 1978. A new theropod dinosaur from the Upper Cretaceous of central Montana. Journal of Paleontology 52(1):73-82 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38544: authorized by Matthew Carrano, entered by Matthew Carrano on 23.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Avetheropoda - Tyrannosauridae
"Tyrannosaurus rex" = Tyrannosaurus rex1, "Aublysodon molnaris n. sp." = Tyrannosaurus rex2
"Tyrannosaurus rex" = Tyrannosaurus rex1 Osborn 1905 tyrant lizard king
LACM 23844
"Aublysodon molnaris n. sp." = Tyrannosaurus rex2 Osborn 1905 tyrant lizard king
LACM 28471
 Neornithischia - Ceratopsidae
? Triceratops sp. Marsh 1889 ceratopsid