Also known as DUPLICATE REF 3312 or 3313 or 3314
Where: Saskatchewan, Canada (49.1° N, 109.5° W: paleocoordinates 56.1° N, 74.9° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Coal Ridge Member (Judith River Formation), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• Judithian based on fauna
•
•Rogers et al. 2016: This mid-Judith discontinuity defines the boundary between the new McClelland Ferry and overlying Coal Ridge Members of the Judith River Formation. The shallow marine sandstones that form the backstepping sequences represent the leading edge of the Bearpaw transgression in this region and are formalized as the new Woodhawk Member of the Judith River Formation in a third reference section. New 40Ar/39Ar ages indicate (1) that the mid-Judith discontinuity formed ∼76.2 Ma
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: J. E. Storer. 1993. Additions to the mammalian paleofauna of Saskatchewan. Modern Geology 18(4):475-487 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 14494: authorized by John Alroy, entered by John Alroy on 07.06.1994, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
see also Storer 1995a
Actinopteri | |
Paralbula sp. Blake 1940 | |
Coriops sp. Estes 1969 bonefish | |
Esocidae indet. Cuvier 1817 | |
Lepisosteus sp. Agassiz 1843 gar | |
Amia sp. Linnaeus 1766 bowfin | |
Amphibia | |
| |
Anura indet. frog | |
Discoglossidae indet. Günther 1859 painted frog | |
Opisthotriton sp. Auffenberg 1961 salamander | |
Scapherpeton sp. Cope 1876 salamander | |
Mammalia | |
Alphadon cf. halleyi Sahni 1972 metatherian | |
Cimolomys sp. Marsh 1889 multituberculate | |
Reptilia | |
| |
Basilemys sp. Hay 1902 turtle | |
Chelydridae indet. Swainson 1839 turtle | |
Baenidae indet. Cope 1882 turtle
Boremys sp. Lambe 1906 turtle | |
Champsosaurus sp. Cope 1876 choristodere | |
| |
Albertosaurus sp. Osborn 1905 Alberta lizard | |
Troodon sp. Leidy 1856 maniraptoran | |
Panoplosaurus sp. Lambe 1919 ankylosaur
Edmontonia sp. Sternberg 1928 ankylosaur | |
Ankylosauridae indet. Brown 1908 ankylosaurid | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Stegoceras sp. Lambe 1902 ornithischian | |
Hadrosauridae indet. Cope 1869 hadrosaurid | |
Thescelosauridae indet. Sternberg 1937 ornithischian | |
| |
Brachychampsa sp. Gilmore 1911 crocodilian | |
Osteichthyes | |
Acipenseriformes indet. Berg 1940 ray-finned fish | |
Chondrichthyes | |
Cretorectolobus sp. Case 1978 wobbegong | |
Myledaphus sp. Cope 1876 guitarfish |