Prosopium quadrilaterale minor Koelz, 1931; (synonym)
Coregonus cylindraceus Berg, 1948; (valid as)
Prosopium cylindraceum Lee et al., 1980; (valid as)
Prosopium gemmifer Lee et al., 1980
Leucichthys gemmifer Snyder, 1919; (valid as)
?Prosopium hearnei Fowler, 1948
Prosopium spilonotus Lee et al., 1980
Coregonus spilonotus Snyder, 1919; (valid as)
Prosopium williamsoni Lee et al., 1980
Coregonus williamsoni Girard, 1856; (valid as)
Coregonus oregonius Jordan & Snyder, 1909; (synonym)
Irillion oregonium Jordan, 1919; (synonym)
24.4.2004 (7)
Additional information sources:
The taxonomic information and the basic database has been provided by; e-mail:Igor Sheremetyev; This is a conversion from a database dump, and there are probably many odd things as result of automatic conversion.