Where: Guizhou, China (26.6° N, 106.7° E: paleocoordinates 2.2° N, 97.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wuchiapingian (259.9 - 254.2 Ma)

• 3 m thick. Stated to be Maokou Fm but lithology and fossils more consistent with Late Permian age. (Owens 2003 gives it as "Upper part of Maokou formation", which is Captianian)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, brown, cherty/siliceous mudstone

Size class: macrofossils

Collected by J.L. Yuan in 1984,1985

Primary reference: J. L. Yuan, Y. L. Zhao, and J. Q. Mao. 1992. On a new genus Acanthophillipsia of Ditomopyginae Hupe, 1953 from Lower Permian of Guiyang, South China. Acta Palaeontologica Sinica 31:39-52 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121538: authorized by Matthew Clapham, entered by Matthew Clapham on 07.12.2011

Creative Commons license: CC BY (attribution)