Nemegt, Central Sayr [HMNS-GIN] (Cretaceous of Mongolia)

Where: Omnogov, Mongolia (43.5° N, 101.1° E: paleocoordinates 41.2° N, 90.0° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Nemegt Formation, Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: terrestrial; coarse-grained sandstone

• "coarse-grained sandstone"

Size class: macrofossils

Collected by HMNS-GIN in 1993, 1994

Collection methods: surface (float), surface (in situ),

• HMNS-Hayashibara Museum of Natural Sciences

Primary reference: M. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1993. Hayashibara Museum of Natural Sciences Research Bulletin 1:17-29 [R. Benson/R. Benson/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 168810: authorized by Matthew Carrano, entered by Matthew Carrano on 29.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia -
Pachycephalosauria indet.
Pachycephalosauria indet. Maryańska and Osmólska 1974 ornithischian
skull
 Ornithischia - Hadrosauridae
Saurolophus angustirostris1
Saurolophus angustirostris1 Rozhdestvensky 1952 hadrosaurine
 Theropoda - Ornithomimidae
Gallimimus sp.
Gallimimus sp. Osmólska et al. 1972 ornithomimid
a partial skeleton of Gallimimus, 930927 NG MS
 Theropoda - Tyrannosauridae
Tarbosaurus sp.
Tarbosaurus sp. Maleev 1955 tyrannosaurid
badly weathered skeleton
 Crocodylia -
Crocodylia indet.2
Crocodylia indet.2 Owen 1842 crocodilian
scutes
 Mollusca -
Mollusca indet.
1Tsogtbaatar and Chinzorig 2007; 2Watabe and Suzuki 2000