Hay Creek N5, UCMP loc. V.98035 (Cretaceous of the United States)

Also known as UCMP V-98035

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; mudstone

• mudstone

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 137731: authorized by Roger Benson, entered by Roger Benson on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
UCMP 172151
Reptilia
 Testudines - Trionychidae
Trionychidae indet., "Aspiderites sp." = Aspideretes
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172154
"Aspiderites sp." = Aspideretes Hay 1904 softshell turtle
UCMP 177847
 Testudines - Baenidae
Baenidae indet. turtle
UCMP 172153
Neurankylus sp. Lambe 1902 turtle
UCMP 177848
 Testudines - Panchelydridae
Chelydridae indet. turtle
UCMP 177849
 Saurischia -
Saurischia indet. Seeley 1888 saurischian
UCMP 172155
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
UCMP 172152