Ophthalmidium concavum
(Wiesner, 1916)
identified by scientist   
Quaternary

Ophthalmidium liasicum
(Kuebler and Zwingli, 1866)
identified by scientist   
Jurassic

Ophthalmidium minutum
Fuchs, 1970
type specimen   holotype
Jurassic
Vienna Basin

Ophthalmidium oxfordianum
(Deecke, 1886)
identified by scientist   
Jurassic
off Biscaya and Iberia

Ophthalmidium oxfordianum
(Deecke, 1886)
identified by scientist   
Jurassic
off Biscaya and Iberia

Ophthalmidium rotulata
Lalicker, 1950
identified by scientist   
Jurassic
off Biscaya and Iberia

Ophthalmidium rotulata
Lalicker, 1950
identified by scientist   
Jurassic
off Biscaya and Iberia

Ophthalmidium sp.
---
identified by scientist    
Triassic
Eastern Julian Alps