Custer County (Cretaceous to of the United States)

Also known as East of Wind Cave National Park; Globidens dakotensis type locality

Where: Custer County, South Dakota (43.6° N, 103.2° W: paleocoordinates 49.4° N, 71.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Sharon Springs Member (Pierre Shale Formation), Early/Lower Campanian to Early/Lower Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Collected by J. Clark, W. D. and P. F. Turbull; reposited in the FMNH

Primary reference: D. A. Russell. 1964. The Skull of American Mosasaurs. 1-386 [M. Carrano/H. Street/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107676: authorized by Matthew Carrano, entered by Hallie Street on 13.04.2011, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines -
"Toxochelys browni" = Toxochelys latiremis
"Toxochelys browni" = Toxochelys latiremis Cope 1873 turtle
 Hesperornithiformes - Hesperornithidae
Hesperornis sp. Marsh 1872 bird
 Pterosauria -
 Squamata - Mosasauridae
Globidens dakotensis n. sp. Russell 1975 mosasaur
FMNH PR 846 - type (skull [lacking mandibles and ectopterygoids], cervical vertebrae 1-7, and dorsal vertebrae 1-4)
Platecarpus sp. Cope 1869 mosasaur
CNHM nos. PR 465-467
Platecarpus cf. somenensis Thevenin 1896 mosasaur
 Plesiosauria -