Order
Arthrodira Woodward, 1891
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 117-144 | ||||||
| GIT 117-56 | Eastmanosteus | Eastmanosteus cf. pustulosus (Eastman, 1897)  | Abava Substage | Abava Formation | ||||
| GIT 117-58 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896)  | Gauja Stage | ||||
| GIT 117-59 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896)  | Gauja Stage | ||||
| GIT 117-60 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896)  | Gauja Stage | ||||
| GIT 117-61 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896)  | Gauja Stage | ||||
| GIT 117-62 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896)  | Gauja Stage | ||||
| GIT 118-11 | Plourdosteus | Plourdosteus sp.  | Burtnieki Stage | ||||
| GIT 118-12 | Plourdosteus | Plourdosteus sp., Obrucheva 1966  | Burtnieki Stage | ||||
| GIT 118-5 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896)  | Gauja Stage |