Genus
Helmersenia Pander, 1860
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1619-220 | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-233a | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-233b | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-233c | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-234 | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-235a | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-235b | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-236 | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-237 | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage | ||||
| TUG 1619-238 | Helmersenia ladogensis | Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage |