Nogon Tsav [HMNS-GIN] (Cretaceous of Mongolia)

Also known as Nogoon Tsav

Where: Bayankhongor, Mongolia (43.6° N, 99.2° E: paleocoordinates 41.1° N, 88.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Beds of Nogon Tsav Formation, Maastrichtian (72.1 - 66.0 Ma)

• possibly equivalent with Nemegt Formation

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone and sandstone

• "lower mudstone layers"

Size class: macrofossils

Collected by HMNS-GIN in 1993

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

• HMNS-Hayashibara Museum of Natural Sciences

Primary reference: Y. Ariunchimeg. 1997. Results of studies of dinosaur eggs. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 13 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 127680: authorized by Roger Benson, entered by Roger Benson on 22.05.2012, edited by Matthew Carrano and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Lindholmemydidae
Lindholmemydidae indet.2 Chkhikvadze 1970 turtle
fragmentary remains
 Dinosauria -
Dinosauria indet. Owen 1842 dinosaur
eggshells and nests
 Ornithischia - Hadrosauridae
Hadrosauridae indet.3 Cope 1869 hadrosaurid
Aves
 Hesperornithiformes - Baptornithidae
Judinornis nogontsavensis n. gen. n. sp.1
Judinornis nogontsavensis n. gen. n. sp.1 Nessov and Borkin 1983 bird
PO 3389