Russell R. Hopcroft and Bruce H. Robison
Journal of the Marine Biological Association of the United Kingdom , Volume 85 , Issue 3 , June 2005 , pp. 665-678 doi:10.1017/S0025315405011598
New mesopelagic larvaceans in the genus Fritillaria from Monterey Bay, California
Primary paper for Fritillaria rex, Fritillaria amphigonadis and Fritillaria lucifer.