AMNH quarry 138, Iren Dabasu (Cretaceous to of China)

Also known as Erlian, Ehrlien, site A, CAE

Where: Nei Mongol, China (43.7° N, 112.0° E: paleocoordinates 42.9° N, 100.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Iren Dabasu Formation, Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• The Iren Dabasu Formation is Middle–Late Campanian according to Xing et al. 2012

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithology not reported

Size class: macrofossils

Collected by CAE in 1923; reposited in the AMNH

Primary reference: A. Perle. 1977. O pervoy nakhodke Alektrozavra (Tyrannosauridae, Theropoda) iz pozdnego Mela Mongolii [On the first discovery of Alectrosaurus (Tyrannosauridae, Theropoda) in the Late Cretaceous of Mongolia]. Shinzhlekh Ukhaany Akademi Geologiin Khureelen 3(3):104-113 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49355: authorized by Matthew Carrano, entered by Matthew Carrano on 14.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Therizinosauria indet. Russell 1997 coelurosaur
AMNH 6368, humerus