IMAGE OF
Platessa stewartii
(Patrick) Potapova 2004 Category: Monoraphid
BASIONYM: Achnanthes stewartii
SYNONYM(S): Planothidium stewartii (Patrick) Lange-Bertalot in Krammer and Lange-Bertalot
SEM scalebar = 5 µm
Site ID: ANSP GCM4731
Site Name: Stony Lick Run, PA
Latitude: 41.62
Longitude: -77.88
Caption: Internal view of rapheless valve
Contributor: Marina Potapova - December 2010