Nemegt, Northern Sayr [HMNS-GIN] — Nemegt Fm. (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: fluvial; 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. Cretaceous fossil localities and a list of fossils collected by the Hayashibara Museum of Natural Sciences and Mongolian Paleontological Center Joint Paleontological Expedition (JMJPE) from 1993 through 1998. Hayashibara Museum of Natural Sciences Research Bulletin 1:99-108 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127675: authorized by Roger Benson, entered by Roger Benson on 21.05.2012, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Trionychidae
Trionychidae indet.1 Gray 1825 softshell turtle
partial bones
 Testudines - Lindholmemydidae
Mongolemys sp.1 Khosatzky and Mlynarski 1971 turtle
partial bones
 Testudinata - Sichuanchelyidae
Mongolochelys efremovi2 Khosatzky 1997 turtle
partial bones
 Dinosauria -
Dinosauria indet.3 Owen 1842 dinosaur
 Ornithischia -
Pachycephalosauria indet. Maryańska and Osmólska 1974 ornithischian
skull elements of a pachycephalosaurian
 Theropoda - Ornithomimidae
Ornithomimidae indet.3 Marsh 1890 ornithomimid
 Saurischia -
Sauropoda indet.3 Marsh 1878 sauropod