Suborder
Eridostraca Adamczak, 1961
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1041-1 | Conchoprimitia gammae | Conchoprimitia gammae Öpik, 1935 | Volkhov Stage | ||||
| TUG 1045-31 | Conchoprimitia gammae | Conchoprimitia gammae (Öpik, 1935) | Middle Ordovician | ||||
| TUG 1109-1 | Conchoprimitia | Conchoprimitia sp. | Volkhov Stage | ||||
| TUG 1109-2 | Conchoprimitia | Conchoprimitia sp. | Volkhov Stage | ||||
| TUG 1109-3 | Conchoprimitia | Conchoprimitia sp. | Volkhov Stage | ||||
| TUG 1109-4 | Conchoprimitia | Conchoprimitia sp. | Volkhov Stage | ||||
| TUG 1109-5 | Incisua ventroincisurata | Incisua ventroincisurata (Hessland, 1949) | Volkhov Stage | ||||
| TUG 1109-6 | Incisua ventroincisurata | Incisua ventroincisurata (Hessland, 1949) | Volkhov Stage | ||||
| TUG 1109-7 | Incisua ventroincisurata | Incisua ventroincisurata (Hessland, 1949) | Volkhov Stage | ||||
| TUG 1109-8 | Incisua ventroincisurata | Incisua ventroincisurata (Hessland, 1949) | Volkhov Stage |