Altan Ula III [HMNS-GIN] (Cretaceous of Mongolia)

Where: Omnogov, Mongolia (43.6° N, 100.5° E: paleocoordinates 41.2° N, 89.5° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: fluvial; fine-grained, gray, blue, silty sandstone and mudstone

• "gray blue silt-fine-grained sandstone beds"; "alternation of sandstone and mudstone layers, with intercalations of conglomerate layers (grain size is granule)."

Size class: macrofossils

Collected by HMNS-GIN in 1993, 1997, 2006

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: general faunal/floral analysis

PaleoDB collection 127673: authorized by Roger Benson, entered by Roger Benson on 21.05.2012, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Testudinata -
Testudinata indet.
Testudinata indet. Oppel 1811 turtle
shell fragments
 Testudinata - Sichuanchelyidae
Mongolochelys efremovi1
Mongolochelys efremovi1 Khosatzky 1997 turtle
shell fragments
 Testudines - Lindholmemydidae
Mongolemys sp.3
Mongolemys sp.3 Khosatzky and Mlynarski 1971 turtle
shell fragments; 970727 AU-III WTB
 Dinosauria -
Dinosauria indet.2
Dinosauria indet.2 Owen 1842 dinosaur
Dinosaur eggshells
 Theropoda - Ornithomimidae
Gallimimus sp.3
Gallimimus sp.3 Osmólska et al. 1972 ornithomimid
some partial skeletons of Gallimimus; 970727 AU-III SND, 970727 AU-III WTB 13:00
 Mollusca -
Mollusca indet.3
 Tracheophyta -
Tracheophyta indet.
Tracheophyta indet.
"petrified wood"
1Suzuki and Tsogtbaatar 2010; 2Watabe and Suzuki 2000; 3Watabe and Suzuki 2000