It belongs to the larger Nanaimo Group.

Indeterminate bird and pterosaur fossils have been recovered from the formation,[1] as well as a potential gladius of Eromangateuthis.

[2] An extensive diversity of shark teeth is known from the formation; many appear to be closely allied with modern deep-water shark taxa, suggesting a deep-water environment for the formation.

[3] The most well-known exposures of the formation are on Hornby Island.

This article about a specific stratigraphic formation in Canada is a stub.