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 52.7° N, 77.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pretty Butte Member (Hell Creek Formation), Late/Upper Maastrichtian (70.6 - 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

Show authors, comments, and common names
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.
Lepisosteidae indet. Cuvier 1825 gar
UCMP 172181, 172200
 Amiiformes - Amiidae
Amiidae indet., Melvius sp., Cyclurus sp.
Amiidae indet. Huxley 1861 bowfin
UCMP 172218
Melvius sp. Bryant 1988 bowfin
UCMP 172182, 172201
Cyclurus sp. Agassiz 1839 bowfin
UCMP 172183
Amphibia
 Caudata - Urodela
Urodela indet.
Urodela indet. Duméril 1805 salamander
UCMP 172220
Reptilia
 Testudinata - Baenidae
Baenidae indet., Plesiobaena sp.
Baenidae indet. Cope 1882 turtle
UCMP 172179, 172203, 172213
Plesiobaena sp. Gaffney 1972 turtle
UCMP 172214
 Testudinata -
Compsemys victa
Compsemys victa Leidy 1856 turtle
UCMP 172180, 172202, 172221
 Testudines - Macrobaenidae
"Clemmys backmani" = Osteopygis backmani
"Clemmys backmani" = Osteopygis backmani Russell 1934 turtle
UCMP 172212
 Testudines - Chelydridae
Chelydridae indet.
Chelydridae indet. Swainson 1839 turtle
UCMP 172175, 172205, 172216
 Testudines - Trionychidae
Trionychidae indet.
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172176, 172206, 172215, 172222–172223
 Testudines - Adocidae
Adocus sp.
Adocus sp. Cope 1868 turtle
UCMP 172177, 172204
 Testudines - Nanhsiungchelyidae
Basilemys sp.
Basilemys sp. Hay 1902 turtle
UCMP 172178
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
UCMP 172208–172209
 Crocodylia -
Crocodylia indet.
Crocodylia indet. Owen 1842 crocodilian
UCMP 172207
 Ornithischia - Hadrosauridae
Hadrosauridae indet.
Hadrosauridae indet. Cope 1869 hadrosaurid
UCMP 172172, 172217
 Ornithischia - Ceratopsidae
Ceratopsidae indet.
Ceratopsidae indet. Marsh 1888 ceratopsid
UCMP 172171, 172210
 Saurischia -
Saurischia indet.
Saurischia indet. Seeley 1888 saurischian
UCMP 172173
 Choristodera -
Champsosaurus sp.
Champsosaurus sp. Cope 1876 choristodere
UCMP 172211, 172224