Garrard Quarry, levels 5 and 6, Mecca fauna (Carboniferous of the United States)

Where: Parke County, Indiana (39.8° N, 87.3° W: paleocoordinates 6.8° S, 23.8° W)

• coordinate based on nearby landmark

When: Logan Quarry Shale Member (Staunton Formation), Moscovian (315.2 - 307.0 Ma)

• "Zones 5 and 6 of their [Zangerl and Richardson 1963] Garrard Quarry profile. The black shale which they removed from the site in Parke County, Indiana, was an exposure of the humulite facies of the Logan Quarry shale of the Lower Wiley cyclothem. Middle Pennsylvanian."

Environment/lithology: marginal marine; pyritic, black shale

• Presumably anoxic to dysoxic
• black shale with sulfides

Size class: macrofossils

Preservation: adpression

Reposited in the FMNH

Primary reference: F.R. Schram. 1969. Some Middle Pennsylvanian Hoplocarida (Crustacea) and their phylogenetic significance. Fieldiana Geology 12:235-289 [P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230307: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 07.06.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Aeschronectida - Aratidecthidae
Aratidecthes johnsoni n. gen. n. sp.
Aratidecthes johnsoni n. gen. n. sp. Schram 1969