0.3 mile southwest of Little Barren Church, on old Tennessee Highway 33 (Ordovician of the United States)

Where: Tennessee (36.4° N, 83.7° W: paleocoordinates 29.0° S, 63.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wardell Formation, Ashbyan (460.9 - 449.5 Ma)

• Hesperorthis beds.

•The Wardell formation appears to be the equivalent of the Ridley limestone in the Appalachian Valley. This equivalence is shown in the common presence in the two formations of Fascifera stonensis, Ancistrorhyncha costata, and Opikina speciosa. The Wardell and Ridley also see establishment of the genus Strophomena which appeared in Murfreesboro. The Wardell is the level at which Doleroides appears in abundance and virtually displaces Mimella, which is commonest below.

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

• The lithology is variable and consists of limestones, calcarenites like the Effna, dove calcilutites, and shales.

Size class: macrofossils

Reposited in the USNM

Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164924: authorized by Pete Wagner, entered by Pete Wagner on 04.01.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Strophomenida - Furcitellidae
"Opikina speciosa" = Oepikina speciosa
"Opikina speciosa" = Oepikina speciosa Cooper 1956
Öpikina speciosa
 Atrypida - Protozygidae
"Protozyga rotunda n. sp." = Manespira rotunda
"Protozyga rotunda n. sp." = Manespira rotunda Cooper 1956
 Rhynchonellida - Ancistrorhynchidae
Ancistrorhyncha costata Ulrich and Cooper 1942
 Orthida - Hesperorthidae