Kayser-Leith area (Cretaceous of the United States)

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

• "The Cannonball marine member is composed predominantly of dark sandy shale or shaly sandstone with a subordinate amount of dark-yellow and gray sandstone. It also contains some thin limestones. All the strata are lenticular in character."

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
 Scleractinia - Turbinoliidae
"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
 Scleractinia - Caryophylliidae
"? 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
 Scleractinia - Guyniidae
"Steriphonotrochus leithensis n. sp." = Palaeopsammia zitteli
"Steriphonotrochus leithensis n. sp." = Palaeopsammia zitteli Vaughan 1900 stony coral