Where: North Dakota (47.1° N, 102.6° W: paleocoordinates 10.9° S, 62.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Gunn Member (Stony Mountain Formation), Richmondian (449.6 - 445.5 Ma)
• member-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified, shelly/skeletal packstone and lithified, gray, calcareous shale
Size class: macrofossils
Preservation: original calcite
Reposited in the USNM
Primary reference: F.K. Lobdell. 1992. Arthrostylidae (Bryozoa: Cryptostomata) fromthe Gunn Member, Stony Mountain Formation (Upper Ordovician), North Dakota and Manitoba. North Dakota Geological Survey Miscellaneous Series 76:99-115 [S. Holland/S. Holland]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 64607: authorized by Steven Holland, entered by Steven Holland on 10.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Sceptropora facula Ulrich 1888 |