Hay Creek N1, UCMP loc. V.86071 (Cretaceous of the United States)

Also known as UCMP V-86071

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

• carbonaceous shale

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 137710: authorized by Roger Benson, entered by Roger Benson on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.
Lepisosteidae indet. Cuvier 1825 gar
UCMP 172103
Reptilia
 Choristodera -
Champsosaurus sp.
Champsosaurus sp. Cope 1876 choristodere
UCMP 172100
 Ornithischia - Ceratopsidae
Ceratopsidae indet., Triceratops sp.
Ceratopsidae indet. Marsh 1888 ceratopsid
UCMP 172101
Triceratops sp. Marsh 1889 ceratopsid
UCMP 172090
 Saurischia -
Saurischia indet.
Saurischia indet. Seeley 1888 saurischian
UCMP 172102
 Crocodylia - Alligatoridae
Brachychampsa montana
Brachychampsa montana Gilmore 1911 crocodilian
UCMP 172099
 Testudines - Trionychidae
Trionychidae indet.
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172091–172093
 Testudines - Panchelydridae
Protochelydra sp.
Protochelydra sp. Erickson 1973 turtle
UCMP 172096–172097
 Testudines - Chelydridae
Chelydridae indet.
Chelydridae indet. Swainson 1839 turtle
UCMP 172094– 172095
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
UCMP 172098