Where: Fillmore County, Minnesota (43.5° N, 92.1° W: paleocoordinates 19.4° S, 63.3° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Maquoketa Formation, Edenian to Edenian (451.0 - 449.6 Ma)
• bed-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 120504: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
Hindia sphaeroidalis Duncan 1879 demosponge | |
Phialaspongia fossa, Camellaspongia tumula n. gen. n. sp.
Phialaspongia fossa Rigby and Bayer 1971 demosponge
Camellaspongia tumula n. gen. n. sp. Rigby and Bayer 1971 demosponge |