Where: Hubei, China (30.6° N, 109.7° E: paleocoordinates 10.1° N, 95.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dalong Formation, Changhsingian (254.0 - 252.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: G. H. Xu. 1977. Cephalopoda. Palaeontological Atlas of South-Central China 2:537-582 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124009: authorized by Matthew Clapham, entered by Matthew Clapham on 06.02.2012

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)