WoRMS source details
Hanna, G. D. (1931). Diatoms and silicoflagellates of the Kreyenhagen shale. Mining in California. California Division of Mines Report of the State Mineralogist. 27(2): 187-201.
264746
Hanna, G. D.
1931
Diatoms and silicoflagellates of the Kreyenhagen shale
Mining in California. California Division of Mines Report of the State Mineralogist
27(2): 187-201
Publication
Date
action
by
Craspedodiscus oblongus (Greville) Grunow † (new combination reference)
Meretrosulus petrolia (Hanna) Hanna, 1931 accepted as Biddulphia petrolia Hanna, 1927 (new combination reference)
Rattrayella californica Hanna, 1931 † (original description)
Roperia marginata Hanna, 1931 (original description)
Meretrosulus petrolia (Hanna) Hanna, 1931 accepted as Biddulphia petrolia Hanna, 1927 (new combination reference)
Rattrayella californica Hanna, 1931 † (original description)
Roperia marginata Hanna, 1931 (original description)