Dohoin Usu (AMNH quarry 565) (Cretaceous of Mongolia)

Also known as AMNH loc. 12087, Dokhoin Us

Where: Omnogov, Mongolia (44.8° N, 105.0° E: paleocoordinates 42.6° N, 93.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dohoin Usu Formation, Campanian (83.6 - 72.1 Ma)

• Danilov and Syromyatnikova (2008) comment that "Gilmore (1931) reported that the material comes from the ?Lower Cretaceous beds of Dohoin Usu (Dohoin Usu Formation), which is now considered to be ?Campanian in age (see Weishampel et al. 2004)".

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, blue, sandy claystone and red, sandy claystone

• "bluish gray sandy clay"

Size class: macrofossils

Collected by W. Granger in 1929; reposited in the AMNH

Collection methods: mechanical,

Primary reference: H. F. Osborn. 1930. Ancient vertebrate life of central Asia: discoveries of the central Asiatic expeditions of the Museum of Natural History in the years 1921–1929. Centenaire de la Société géologique de France. Livre jubilaire 1830-1930 2:519-543 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48983: authorized by Matthew Carrano, entered by Matthew Carrano on 05.04.2005, edited by Roger Benson and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Nanhsiungchelyidae
Nanhsiungchelyidae indet.1 Yeh 1966 turtle
 Ornithischia - Hadrosauridae
Hadrosauridae indet.2 Cope 1869 hadrosaurid
 Loricata - Goniopholididae
"Goniopholidae indet." = Goniopholididae
"Goniopholidae indet." = Goniopholididae Cope 1875 crocodilian
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail