Pretty Butte, UCMP loc. V.86095 (Cretaceous of the United States)

Also known as UCMP V-86095

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; lithology not reported

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 137718: authorized by Roger Benson, entered by Roger Benson on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata -
Lacertilia indet. lizard
UCMP 172184, 177907
 Testudinata -
Compsemys victa Leidy 1856 turtle
UCMP 172198, 177893–177897
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
UCMP 172187–172188, 177899–177903
Neurankylus sp. Lambe 1902 turtle
UCMP 177904
 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle
UCMP 172195
 Testudines - Chelydridae
Chelydridae indet. Swainson 1839 turtle
UCMP 177889–177890
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
UCMP 172190, 177885–177888, 177898
 Testudines -
"Emarginochelys cretacea" = Emarginachelys cretacea
"Emarginochelys cretacea" = Emarginachelys cretacea Whetstone 1978 turtle
UCMP 172465
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
UCMP 172189, 172197, 177905, 177906
 Testudines - Kinosternoidae
Kinosternoidae indet. Holroyd and Hutchison 2002 turtle
UCMP 172196, 177880–177881, 177891–177892
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian
UCMP 172191, 177908
 Crocodylia - Alligatoridae
Brachychampsa montana Gilmore 1911 crocodilian
UCMP 172194
 Ornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
UCMP 172193; 172192
 Saurischia -
Saurischia indet. Seeley 1888 saurischian
UCMP 177911
Amphibia
 Caudata - Urodela
Urodela indet. Duméril 1805 salamander
UCMP 172186, 177884
Piceoerpeton sp. Meszoely 1967 salamander
UCMP 177882
Actinopteri
 Amiiformes - Amiidae
Amiidae indet. Huxley 1861 bowfin
UCMP 177883
Melvius sp. Bryant 1987 bowfin
UCMP 172185
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
UCMP 172199, 177879