is a species of the class Bacillariophyceae (Diatoms) in the family Achnanthidiaceae and order Achnanthales.
Psammothidium altaicum
Psammothidium bioreti
Psammothidium didymum
Psammothidium lauenbergianum
Psammothidium levanderi
Psammothidium marginulatum
Psammothidium subatomoides
Psammothidium ventralis