Enigma Site (RB-02:ENS) (Cretaceous of the United States)

Also known as Ruthie's Badlands

Where: Butte County, South Dakota (45.0° N, 103.2° W: paleocoordinates 51.1° N, 77.1° W)

• small collection-level geographic resolution

When: Hell Creek Formation (Montana Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• in the "Big Sandy Zone"

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - small; sandstone

• "seasonal lake deposit"

Size classes: macrofossils, mesofossils

Collected by W. Stein

Collection methods: surface (in situ),

Primary reference: W. W. Stein. 2021. The paleontology, geology and taphonomy of the Tooth Draw Deposit; Hell Creek Formation (Maastrictian), Butte County, South Dakota. The Journal of Paleontological Sciences JPS.C.21:0001:1-108 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 224488: authorized by Matthew Carrano, entered by Matthew Carrano on 09.03.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudinata -
Testudinata indet. Oppel 1811 turtle
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian
 Ornithischia - Ceratopsidae
Triceratops sp. Marsh 1889 ceratopsid
 Theropoda - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969 maniraptoran
 Squamata - Varanidae
Varanidae indet. Hardwicke and Gray 1824 monitor lizard