Bugin Tsav [AMNH] (Cretaceous of Mongolia)

Also known as Buguin-Tzav

Where: Omnogov, Mongolia (43.5° N, 99.6° E: paleocoordinates 41.0° N, 88.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

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

• age based on biostratigraphy; no absolute or correlative dating available for most Late Cretaceous Mongolian beds

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; red sandstone

• no information given
• variegated, predominately red sandstones

Size class: macrofossils

Collected by AMNH in the 1990s

Collection methods: quarrying, mechanical,

Primary reference: A. Perle, L. M. Chiappe, R. Barsbold, J. M. Clark, and M. A. Norell. 1994. Skeletal morphology of Mononykus olecranus (Theropoda: Avialae) from the Late Cretaceous of Mongolia. American Museum Novitates 3105:1-29 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13108: authorized by Matthew Carrano, entered by Matthew Carrano on 21.01.2002, edited by Mark Uhen, Jonathan Tennant and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Testudines - Trionychidae
Trionychidae indet.1 softshell turtle
Nemegtemys conflata1 Danilov et al. 2014 softshell turtle
MPC 25/161 (HMNS 2006-4-472), lateral fragment of right hypoplastron
Amyda menneri2 Chkhikvadze 1988 softshell turtle
 Testudines - Pantrionychidae
"Gobiapalone breviplastra" = Kuhnemys breviplastra1
"Gobiapalone breviplastra" = Kuhnemys breviplastra1 Danilov et al. 2014 turtle
Aves
 Hesperornithiformes - Brodavidae
Brodavis mongoliensis n. sp.3 Martin et al. 2012 bird
Reptilia
 Avetheropoda -
Mononykus olecranus Perle et al. 1993 coelurosaur
 Avetheropoda - Tyrannosauridae
Tarbosaurus bataar Maleev 1955 tyrannosaurid