| Division | Euglenophyta |
| Class | Euglenophyceae |
| Order | Euglenales |
| Family | Euglenaceae |
| Basionym | Microglena volvocina Ehrenberg |
| Synonym | Trachelomonas volvocina f. typica Fritsch |
Lorica small spherical with smooth membrane, deep yellow to yellowish brown or deep reddish brown, 10-15 µm in diameter. Apical pore with or without annular ring, with highly depressed collar; pore 1.5-2.5 µm broad.