MolluscaBase source details
Speden I.G. (1970). The Type Fox Hills Formation, Cretaceous (Maestrichtian), South Dakota. Part 2. Systematics of the Bivalvia. Peabody Museum of Natural History, Bulletin. 33: 1-222, pls 2-42.
390060
Speden I.G.
1970
The Type Fox Hills Formation, Cretaceous (Maestrichtian), South Dakota. Part 2. Systematics of the Bivalvia
Peabody Museum of Natural History, Bulletin
33: 1-222, pls 2-42
Publication
Date
action
by
Nymphalucina Speden, 1970 † (original description)