Also known as Tanjiashan

Where: China (27.6° N, 112.9° E: paleocoordinates 2.6° S, 97.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kungurian (279.5 - 272.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; lithified, ferruginous, nodular mudstone

Size class: macrofossils

Collected by Z.K. Zhao, Y.C. Xu in 1944

Primary reference: Z. Zhou, B. F. Glenister, and W. M. Furnish. 2002. Endemic Permian ammonoid genus Yinoceras, central Hunan, south China. Journal of Paleontology 76(3):424-430 [W. Kiessling/U. Merkel/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66112: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.09.2006, edited by Matthew Clapham