UCM 84151 (Cretaceous of the United States)

Where: Garfield County, Utah (38.1° N, 111.0° W: paleocoordinates 45.9° N, 81.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lower Member (Masuk Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; sandstone and carbonaceous mudstone

• "The base of the lower member consists of 13-66 ft (4-20 m) of coal and carbonaceous shale, commonly divided by thin ripple-laminated sandstones. The coal zone is overlain by 131 ft (40 m) of trough cross-stratified sandstones and associated flood-basin carbonaceous mudstones"

Size class: mesofossils

Collected by J. G. Eaton

Primary reference: J. G. Eaton. 1990. Stratigraphic revision of Campanian (Upper Cretaceous) rocks in the Henry Basin, Utah. The Mountain Geologist 27(1):27-38 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 167492: authorized by Matthew Carrano, entered by Matthew Carrano on 19.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834 elasmobranch
teeth
 Chimaeriformes - Chimaeridae
Chimaeridae indet. chimaera
teeth
Reptilia
 Ornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
tooth partial
 Saurischia -
Saurischia indet. Seeley 1888 saurischian
tooth partial