Hay Creek N2, UCMP loc. V.86072 (Cretaceous of the United States)

Also known as UCMP V-86072

Where: Slope County County, North Dakota (46.4° N, 103.5° W: paleocoordinates 52.5° N, 76.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)

Environment/lithology: terrestrial; carbonaceous shale and siltstone

• SILTS, SANDSTONES, MUDSTONES, AND CARBONACEOUS SHALES

Size class: macrofossils

Reposited in the UCMP

Collection methods: surface (float), surface (in situ),

Primary reference: P. A. Holroyd and J. H. Hutchison. 2002. Patterns of geographic variation in latest Cretaceous vertebrates: evidence from the turtle component. Geological Society of America Special Paper 361:177-190 [R. Benson/R. Benson]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 137711: authorized by Roger Benson, entered by Roger Benson on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Amiiformes - Amiidae
Amiidae indet. Huxley 1861 bowfin
UCMP 172131
Osteichthyes
 Caudata -
Caudata indet. Scopoli 1777 salamander
UCMP 172130
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172135–6
 Testudines - Panchelydridae
Chelydridae indet. turtle
UCMP 172134
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
UCMP 172137
 Crocodylia - Alligatoridae
Brachychampsa montana Gilmore 1911 crocodilian
UCMP 172133
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
UCMP 172132