Where: Hopei, China (39.7° N, 121.8° E: paleocoordinates 18.4° N, 91.7° E)

• outcrop-level geographic resolution

When: Houkou Formation (Taiyuan Group), Gzhelian to Gzhelian (303.7 - 295.5 Ma)

• Now known as Benxi Formation; contains Fusulina-Fusulinella fauna of Moscovian age and underlies Kasimovian-Gzhelian first member of Taiyuan Formation (containing Montiparus and Triticites). PJW: Mazaev (2020 p. 1308) states that it is the Houkou Limestone, not the Mokou formation.

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: T. H. Yin. 1932. Gastropoda of the Penchi and Taiyuan Series of North China. Palaeontologica Sinica, Series B 11(2):1-53 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149177: authorized by Pete Wagner, entered by Pete Wagner on 30.07.2013

Creative Commons license: CC BY (attribution)