Pembina Member 2, Vermilion River Formation (Cretaceous of Canada)

Where: Manitoba, Canada (49.3° N, 98.3° W: paleocoordinates 53.5° N, 62.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pembina Member (Vermilion River Formation), Campanian (83.6 - 72.1 Ma)

• Author correlates this formation with the Niobara Chalk of the US

Environment/lithology: marine; black, gray shale and argillaceous ash

• The Pembina member consists of dark gray or black shales separated by thick bentonite beds.

Size class: macrofossils

Preservation: replaced with other

Primary reference: D. Bardack. 1968. Fossil vertebrates from the marine Cretaceous of Manitoba. Canadian Journal of Earth Sciences 5:145-153 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36707: authorized by John Alroy, entered by Erin Leckey on 10.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Lamniformes - Anacoracidae
Squalicorax cf. falcatus Agassiz 1843 crow shark
 Salmoniformes - Enchodontidae
Cimolichthys cf. nepaholica Cope 1872
ectoptyerygoid fragments
Enchodus sp. Agassiz 1843
fragments of neurocranium, jaw and vertebrae, palatines
 Ichthyodectiformes - Ichthyodectidae
Ichthyodectes ctenodon Cope 1870
fragments of mandibles and hyomandibular
 Crossognathiformes - Pachyrhizodontidae
Pachyrhizodus caninus Cope 1872
part of a dentary
Pachyrhizodus minimus Stewart 1899
"complete fish"
 Pachycormiformes - Pachycormidae
Protosphyraena sp. Leidy 1857
premaxilla fragment with teeth