Where: Sichuan, China (28.3° N, 105.2° E: paleocoordinates 3.5° S, 94.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Maokou Formation, Roadian to Roadian (272.5 - 259.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: Z. Q. Deng. 1990. New materials of Permian sponges. Acta Palaeontologica Sinica 29:315-320 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107306: authorized by Matthew Clapham, entered by Matthew Clapham on 04.04.2011

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