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 | |
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 | |
Hindia sphaeroidalis Duncan 1879 demosponge |