Actinodiscus californicus Hanna, 1927 † (original description)
Asterolampra punctifera (Grove in Schmidt et al.) Hanna, 1927 accepted as
Asterolampra affinis var. punctifera Grove in Schmidt, 1896 (new combination reference)
Biddulphia petrolia Hanna, 1927 (original description)
Dicladia trinodis Hanna, 1927 † (original description)
Entopyla frickei Hanna, 1927 (original description)
Liradiscus circularis Hanna, 1927 (original description)
Mastogloia manca A. Schmidt, 1893 (original description)
Melosira caliginosa Hanna, 1927 (original description)
Melosira lolia Hanna, 1927 (original description)
Navicula tolmani Hanna, 1927 (original description)
Omphalotheca californica Hanna, 1927 (original description)
Plagiogramma marginatus Hanna, 1927 (original description)
Stictodiscus coalingensis Hanna, 1927 (original description)
Trochosira trochlea Hanna, 1927 † (original description)
Xanthiopyxis specticularis Hanna, 1927 † (original description)