The St. Mary River Formation is a geologic formation of Late Cretaceous (71.9-67 Ma) age of the Western Canada Sedimentary Basin in southwestern Alberta...

younger, known from the lower Horseshoe Canyon Formation, about 71.5–71 Ma ago and the St. Mary River Formation. Fossils of the youngest species, P. perotorum...

(middle Maastrichtian stage, 68.5 to 67.5 Ma) in what is now the St. Mary River Formation. The type and only species, Regaliceratops peterhewsi, is known...

near Drumheller. The Horseshoe Canyon Formation is part of the Edmonton Group. In its type section (Red Deer River Valley at Drumheller), it is ~250 metres...

Blackfeet Indian Reservation, west of Buffalo Lake, Montana in the St. Mary River Formation. It was collected in 1916 by Barnum Brown and Peter C. Kaisen of...

Formation and the St. Mary River Formation in southern Alberta; by the Eastend Formation in southern Saskatchewan; and by the Fox Hills Formation in Montana...

unidentified (possibly theropod) footprints in the Middle-Late Triassic Pekin Formation of North Carolina. However, the most reliable early record of North American...

reported. The Willow Creek Formation is overlain by the Porcupine Hills Formation, and underlain by the St. Mary River Formation. It grades into the equivalent...

Heinrich, R. E. & Weishampel, D. B. (2010). "Mammals from the St. Mary River Formation (Upper Cretaceous), Montana". Journal of Vertebrate Paleontology...

sedimentation within a foreland basin: the Bearpaw, Blood Reserve and St. Mary River Formations, southwestern Alberta. Canadian Society of Petroleum Geologists...

grades into the sequence of the Blood Reserve Formation, St. Mary River Formation and Willow Creek Formation in the southern Alberta plains; into the upper...

remains were also recovered in terrestrial sediments from the St. Mary River Formation at the Scabby Butte locality in southwestern Alberta, however,...

Mary's Academy and College is a religious school of the Society of St. Pius X located in St. Marys, Kansas. The original college at this location, St...

The St. Lawrence River (French: Fleuve Saint-Laurent) is a large international river in the middle latitudes of North America connecting the Great Lakes...

Hartman, Scott. (2010). "A New Chasmosaurine Ceratopsid from the Judith River Formation, Montana", In: Michael J. Ryan, Brenda J. Chinnery-Allgeier, and David...

in Sault Ste. Marie, Ontario, Canada. The mill was situated on the St. Marys River waterfront, just east of Algoma Steel. The pulp mill was originally...

P; Heinrich, R. E.; Weishampel, D. B. (2010). "Mammals from the St. Mary River Formation (Upper Cretaceous), Montana". Journal of Vertebrate Paleontology...

environments. It was named for exposures along the Oldman River between its confluence with the St. Mary River and the city of Lethbridge, and it is known primarily...

Weight: about 50 g Mesodma thompsoni (=M. garfieldensis) Place: St Mary River Formation & Montana and Wyoming of the US and Canada Age: Maastrichtian-Puercan...

area; on the Horseshoe Canyon Formation in the Drumheller area; and on the St. Mary River Formation in the Oldman River area. In southeastern Saskatchewan...

The St. Croix River (/ˈseɪnt ˈkrɔɪ/ SAYNT KROY; French for 'Holy Cross') is a tributary of the Mississippi River, about 169 mi (272 km) long, in the U...

(2015). "A deltatheroidan mammal from the Upper Cretaceous Baynshiree Formation, eastern Mongolia". Cretaceous Research. 52: 167–177. doi:10.1016/j.cretres...

new aetosaur (Archosauria, Suchia) from the Upper Triassic Pekin Formation, Deep River Basin, North Carolina, U.S.A., and its implications for early aetosaur...

distinctive geological formation of columnar rhyolitic lava (pictured). Scientific studies indicate that the basalt of the St. Mary's Islands was formed by...

Heinrich, R. E. & Weishampel, D. B. (2010). "Mammals from the St. Mary River Formation (Upper Cretaceous), Montana". Journal of Vertebrate Paleontology...

ceratopsian dinosaurs and associated lower vertebrates from the St. Mary River Formation (Maestrichtian) at Scabby Butte, southern Alberta. Canadian Journal...

Formation, and in Saskatchewan it is overlain by the Frenchman Formation. The Battle Formation is equivalent to part of the St. Mary River Formation in...

Heinrich, Ronald E.; Weishampel, David B. (2010). "Mammals from the St. Mary River Formation (Upper Cretaceous), Montana". Journal of Vertebrate Paleontology...

from the Aptian Gething Formation of British Columbia. He went on to work on dinosaur footprints from the St. Mary River Formation. In 2004, he studied footprint...

(2020). "A taphonomic analysis of a multitaxic bonebed from the St. Mary River Formation (uppermost Campanian to lowermost Maastrichtian) of Alberta, dominated...