Publication Ortmann (1911): summary

Full Citation

Ortmann, A.E. 1911. A monograph of the najades of Pennsylvania. Parts I and II. Memoirs of the Carnegie Museum 4: 279-347. Available electronically.

Attributed Nominal Genera

Paraptera Ortmann, 1911

Ortmann, 1911. Mem. Carnegie Mus. 4: 301.
Ortmann, 1912. Ann. Carnegie Mus. 8: 330.
Type species: Unio gracilis Barnes, 1823 (orig. desig.) = Potamilus fragilis