Pretty Butte 2, UCMP loc. V.86096 (Cretaceous of the United States)

Also known as UCMP V-86096

Where: Slope County, North Dakota (46.5° N, 104.0° W: paleocoordinates 52.8° N, 76.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pretty Butte Member (Hell Creek Formation), Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray mudstone

• light grey 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 137720: 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 172218
Melvius sp. Bryant 1987 bowfin
UCMP 172182, 172201
Cyclurus sp. Agassiz 1843 bowfin
UCMP 172183
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
UCMP 172181, 172200
Osteichthyes
 Caudata - Urodela
Urodela indet. Duméril 1805 salamander
UCMP 172220
Reptilia
 Testudines - Macrobaenidae
"Clemmys backmani" = Judithemys backmani
"Clemmys backmani" = Judithemys backmani Russell 1934 turtle
UCMP 172212
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
UCMP 172208–172209
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172176, 172206, 172215, 172222–172223
 Testudines - Compsemydidae
Compsemys victa Leidy 1856 turtle
UCMP 172180, 172202, 172221
 Testudines - Baenidae
Baenidae indet. turtle
UCMP 172179, 172203, 172213
Plesiobaena sp. Gaffney 1972 turtle
UCMP 172214
 Testudines - Nanhsiungchelyidae
Basilemys sp. Hay 1902 turtle
UCMP 172178
 Testudines - Panchelydridae
Chelydridae indet. turtle
UCMP 172175, 172205, 172216
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
UCMP 172177, 172204
 Saurischia -
Saurischia indet. Seeley 1888 saurischian
UCMP 172173
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
UCMP 172171, 172210
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
UCMP 172172, 172217
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian
UCMP 172207
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
UCMP 172211, 172224