Visit us at

Diatoms of the United States is now known as Diatoms of North America.
This site has been redesigned and updated, and will be closing soon.


Aneumastus pseudotusculus

(Hust.) E.J.Cox and D.M.Williams 2000      Category: Symmetrical biraphid
BASIONYM: Navicula pseudotuscula
SYNONYM(S): Mastogloia pseudotuscula (Hust.) Loseva 1982 

Aneumastus minor


Aneumastus rostratus

LM scalebar = 10 ┬Ám

Slide Number: CU Diatom Herbarium JPK 5591

Site ID:

Site Name: O'Neal Lake, MI

Latitude: 45.71264

Longitude: -84.887725

Contributor: Pat Kociolek - March 2011