Rosalina columbiensis (Cushman 1925)       

Class: Rotaliata  Subclass: Rotaliana  Order: Rosalinida  Family: Rosalinidae
Taxon Profile

found      Western Canada and USA   North Pacific

Geological Time: Quaternary  Holocene  recent

holotype

classification and image courtesy of
Smithsonian Institution National Museum of Natural History

View of a specimen of Rosalina columbiensis (Cushman 1925)

The classification is published in:
Cushman, J.A. (1925). Recent Foraminifera from British Columbia. Contr. Cushman Lab. Foram. Res. 1: 38-47. as USNM
accessed