(Kütz.) Kütz. 1844 Category: Symmetrical biraphid
BASIONYM: Frustulia oblonga
SYNONYM(S): Pinnularia oblonga (Kütz.) W.Sm. 1853
LM scalebar = 10 µm
Slide Number: MDC 32-15
Site ID: MDC 400501
Site Name: Kettle Lake near Williston, ND
Latitude: 48.6064
Longitude: -103.6244
Contributor: Loren Bahls - November 2011