Clermont (Ordovician to of the United States)

Where: Iowa (43.0° N, 91.7° W: paleocoordinates 20.0° S, 63.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Scales Shale Formation (Maquoketa Group), Edenian to Edenian (451.0 - 449.6 Ma)

• lower Maquoketa Formation; PJW: this should be Scales Shale now.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: J. K. Rigby and T. N. Bayer. 1971. Sponges of the Ordovician Maquoketa Formation in Minnesota and Iowa. Journal of Paleontology 45(4):608-627 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120502: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Lithistida - Streptosolenidae
Aulocopella scelidos n. sp. Rigby and Bayer 1971 demosponge
Aulocopella dactylos n. sp. Rigby and Bayer 1971 demosponge
Aulocopella probolos n. sp. Rigby and Bayer 1971 demosponge
 Streptosclerophorida - Hindiidae
Hindia sphaeroidalis Duncan 1879 demosponge