Hay Creek N3, UCMP loc. V.86073 (Cretaceous of the United States)

Also known as UCMP V-86073

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 137712: authorized by Roger Benson, entered by Roger Benson on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
UCMP 172146
 Ornithischia - Pachycephalosauridae
Pachycephalosauridae indet. Sternberg 1945 ornithischian
UCMP 172147
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian
UCMP 172140
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
UCMP 172141
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
UCMP 172142
Neurankylus sp. Lambe 1902 turtle
UCMP 177915
 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle
UCMP 172144
 Testudines - Panchelydridae
Protochelydra sp. Erickson 1973 turtle
UCMP 172143
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172145, 172148
Actinopteri
 Lepisosteiformes - Lepisosteidae
Atractosteus sp. Rafinesque 1820 gar
UCMP 172139
 Amiiformes - Amiidae
Cyclurus sp. Agassiz 1839 bowfin
UCMP 172138