Silica Shale, unit 10 (Devonian of the United States)

Where: Lucas County, Ohio (41.7° N, 83.7° W: paleocoordinates 37.5° S, 30.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Silica Formation, Cazenovia (391.9 - 383.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, argillaceous limestone

Size class: macrofossils

Primary reference: G. M. Ehlers, E. C. Stumm, and R. V. Kesling. 1951. Devonian rocks of southeastern Michigan and northwestern Ohio. Stratigraphy field trip, Detroit meeting. Devonian rocks of southeastern Michigan and northwestern Ohio. Stratigraphy field trip, Detroit meeting 1-48 [P. Wagner/P. Wagner/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188935: authorized by Melanie Hopkins, entered by Melanie Hopkins on 21.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Lichida - Lichidae
Echinolichas lucasensis n. sp. Stumm 1967 trilobite
Stenolaemata
 Cystoporida - Sulcoreteporidae
 Cryptostomata - Arthrostylidae
 Cryptostomata - Hyphasmoporidae
 Rhabdomesida - Nikiforovellidae