Where: Grant County, North Dakota (46.3° N, 101.7° W: paleocoordinates 52.0° N, 75.0° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Cannonball Member (Lance Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified shale and lithified limestone
Size class: macrofossils
Primary reference: T. W. Vaughan. 1920. Corals from the Cannonball marine member of the Lance Formation. United States Geological Survey Professional Paper 128:61-66 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 87483: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
"Paracyathus lloydi n. sp." = Bathycyathus lloydi, "Paracyathus thomi n. sp." = Bathycyathus lloydi, "Paracyathus kayserensis n. sp." = Bathycyathus lloydi
"Paracyathus lloydi n. sp." = Bathycyathus lloydi Vaughan 1920 stony coral
"Paracyathus thomi n. sp." = Bathycyathus lloydi Vaughan 1920 stony coral
"Paracyathus kayserensis n. sp." = Bathycyathus lloydi Vaughan 1920 stony coral | |
"? Trochocyathus neumani n. sp." = Trochocyathus mitratus, "Trochocyathus dakotaensis n. sp." = Trochocyathus mitratus
"? Trochocyathus neumani n. sp." = Trochocyathus mitratus Goldfuss 1826 stony coral
"Trochocyathus dakotaensis n. sp." = Trochocyathus mitratus Goldfuss 1826 stony coral | |
"Steriphonotrochus leithensis n. sp." = Palaeopsammia zitteli
"Steriphonotrochus leithensis n. sp." = Palaeopsammia zitteli Vaughan 1900 stony coral |