Pessagno, E. A. & Whalen, P. A. 1982. Lower and Middle Jurassic Radiolaria (Multicyrtid Nassellariina) from California, East-Central Oregon and the Queen Charlotte Islands, B.C. Micropaleontology. 28 (n.2): 111-169.
Type Status:
paratype
Place:
Grant County, Oregon, United States, North America