Where: Fillmore County, Minnesota (43.6° N, 92.0° W: paleocoordinates 19.4° S, 63.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Elgin Member (Maquoketa Formation), Edenian to Edenian (451.0 - 449.6 Ma)
• 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 120503: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Demospongiae | |
Cotylahindia panaca n. gen. n. sp., Hindia sphaeroidalis
Cotylahindia panaca n. gen. n. sp. Rigby and Bayer 1971 demosponge
Hindia sphaeroidalis Duncan 1879 demosponge | |
Phialaspongia fossa n. gen. n. sp.
Phialaspongia fossa n. gen. n. sp. Rigby and Bayer 1971 demosponge | |