SCDP site 4, Iren Dabasu (Cretaceous to of China)

Also known as Erlian, site M

Where: Nei Mongol, China (43.7° N, 112.2° E: paleocoordinates 43.0° N, 100.8° 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 SCDP in 1988

Collection methods: bulk, quarrying, mechanical,

Primary reference: P. J. Currie and D. A. Eberth. 1993. Palaeontology, sedimentology and palaeoecology of the Iren Dabasu Formation (Upper Cretaceous), Inner Mongolia, People's Republic of China. Cretaceous Research 14:127-144 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49365: authorized by Matthew Carrano, entered by Matthew Carrano on 14.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Spheroolithidae
"Paraspheroolithes irenensis" = Spheroolithus irenensis
"Paraspheroolithes irenensis" = Spheroolithus irenensis Chao and Chiang 1974 ornithopod
nests with about 23 eggs each