Otog Sumu (bed 8) (Cretaceous of China)

Also known as Otog Qi

Where: Nei Mongol, China (38.9° N, 107.3° E: paleocoordinates 40.0° N, 109.0° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Jingchuan Formation (Zhidan Group), Early/Lower Cretaceous (145.0 - 100.5 Ma)

• "earliest Cretaceous or possible even Late Jurassic in age" when originally assigned to Yijunhuoluo Fm.; now "middle-late Early Cretaceous"

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; gray, white shale

• 32 cm thick bed of grey white shale with horizontal bedding

Size class: macrofossils

Preservation: adpression, soft parts

Reposited in the IVPP

Collection methods: surface (in situ),

Primary reference: J. Li, Z. Li, Y. Zhang, Z. Zhou, Z. Bai, L. Zhang, and T. Ba. 2008. A new species of Cathayornis from the Lower Cretaceous of Inner Mongolia, China and its stratigraphic significance. Acta Geologica Sinica 82(6):1115-1123 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91202: authorized by Matthew Carrano, entered by Matthew Carrano on 10.09.2009, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta indet. Linnaeus 1758 insect
 Leptolepidiformes - Leptolepididae
 Enantiornithes -
Enantiornithes indet. bird
BMNHC-Ph000110a, b