Fluminicola nuttallianus (I. Lea)

Dusky Pebblesnail (Fluminicola nuttallianus)

The Dusky Pebblesnail was described in 1838, it was restricted to the lowermost Willamette River in Oregon, USA.

The species was not recorded during recent surveys and is believed to be extinct.

*********************

edited: 27.01.2020