Also known as Reef 2968
Where: Utah (38.9° N, 113.3° W: paleocoordinates 7.6° S, 82.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Presbynileus ibexensis trilobite zone, Calathium calcisiltite Member (Fillmore Formation), Floian (477.7 - 470.0 Ma)
• uppermost member of Fillmore Formation; trilobite zone I (Presbynileus ibexensis)
•Original age call was mid-late Ibexian.
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified grainstone
Size class: macrofossils
Primary reference: S. B. Church. 1991. A new Lower Ordovician species of Calathium, and skeletal structure of western Utah calathids. Journal of Paleontology 65(4):602-610 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 61729: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.06.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Hormogoneae | |
Girvanella sp. Nicholson and Etheridge 1878 | |
Radiocyatha | |
Calathium yersini n. sp.
Calathium yersini n. sp. Church 1991 |