Benbolt Formation, Luttrell, Tennessee (Ordovician of the United States)

Where: Tennessee (36.2° N, 83.8° W: paleocoordinates 29.1° S, 64.0° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Benbolt Formation, Caradocian (460.9 - 449.5 Ma)

• Ashbyan

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified, peloidal, shelly/skeletal, gray, argillaceous packstone and lithified, calcareous mudstone

• Lithology based on field notes of S.M. Holland

Size class: macrofossils

Preservation: original calcite

Primary reference: R. S. Bassler. 1950. New genera of American Middle Ordovician "Cystoidea". Journal of the Washington Academy of Sciences 40(9):273-277 [S. Holland/S. Holland/S. Holland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37906: authorized by Steven Holland, entered by Steven Holland on 27.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Ulrichocystis eximia
n.gen, n.sp.