Where: Texas (30.2° N, 103.4° W: paleocoordinates 1.0° N, 33.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Poplar Tank Member (Skinner Ranch Formation), Kungurian (279.5 - 272.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: slope or ramp reef; lithified framestone

Size class: macrofossils

Preservation: replaced with silica

Collection methods: bulk, chemical

• Limestone blocks etched to reveal silicified bryozoan framework

Primary reference: L. S. Zimmerman and R. J. Cuffey. 1987. Species involved in Permian bryozoan bioherms, west Texas. In J. R. P. Ross (ed.), Bryozoa: Present and Past 309-316 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121969: authorized by Matthew Clapham, entered by Matthew Clapham on 13.12.2011

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