IMAGE OF

Gyrosigma attenuatum

(Kützing) Rabenhorst 1853      Category: Symmetrical biraphid
BASIONYM: Frustulia attenuata
SYNONYM(S): Navicula attenuata (Kützing) Kützing 1844 | Gyrosigma attenuata (Kützing) Cleve 1894 

Gyrosigma acuminatum

 

Halamphora coffeaeformis

LM scalebar = 10 µm

Slide Number: Iowa Lakeside Lab, ILL2015-018 (J. Gauthier)

Site ID: Iowa Lakeside Lab, ILL2015-018

Site Name: West Lake Okoboji, Dickinson County, Iowa

Latitude: 43.36801

Longitude: -95.16078

Caption: Valve view

Notes: Epipsammic sample

Contributor: Joanna Gauthier - June 2015