Publication Frierson (1922): summary

Full Citation

Frierson, L.S. 1922. Observations on the genus Margaritana with a new sub-genus. Nautilus 36: 42-44. Available electronically.

Attributed Nominal Genera

Heudeana Frierson, 1922

Frierson, 1922. Nautilus 36: 43.
(intro'd as sub-gen. of Margaritana Schumacher, 1817)
Type species: Unio murinus Heude, 1883 (original designation) = Ptychorhynchus murinum