Bored bryozoan colonies from the Warsaw Limestone, Tennessee (Carboniferous of the United States)

Where: Tennessee (36.1° N, 87.4° W: paleocoordinates 18.5° S, 34.7° W)

• coordinate based on nearby landmark

When: Warsaw Limestone Formation, Meramecian (345.0 - 336.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; fine-grained chert

• 'The chert is primarily fine-grained quartz with crystals about 0.06 mm in length'.

Preservation: replaced with silica

Collection methods: 'The specimens are deposited in the University of North Carolina Paleontological Collection, numbers 3913 and 3914'.

Primary reference: F. K. Mickinney. 1968. Bored ectoproct from the middle Mississippian of Tennessee. Southeastern Geology 9(3):165-170 [M. Patzkowsky/J. Bonelli/J. Bonelli]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 40773: authorized by Mark Patzkowsky, entered by James Bonelli on 30.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• The author speculates that the borings were 'probably' caused by polychaetous annelids, but makes no definitive conclusion on this matter. As such, possible boring organsims are not included in the taxonomic list.
 Cystoporida - Hexagonellidae