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Encyonema yellowstonianum

Krammer 1997      Category: Asymmetrical biraphid

Encyonema triangulum

 

Encyonopsis aequaliformis

SEM scalebar = 5 ┬Ám

Site ID: Hustedt Collection KR32/1032

Site Name: Firehole River, Yellowstone National Park, Montana

Latitude:

Longitude:

Caption: external view, hypovalve and epivalve with portions of girdle bands

Notes: holotype material

Contributor: - August 2010