perekond
Plourdosteus Ørvig, 1951
| Pildid | ||||||
|---|---|---|---|---|---|---|
| GIT 117-58 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 117-59 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 117-60 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 117-61 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 117-62 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 118-11 | Plourdosteus | Plourdosteus sp. | Burtnieki lade | ||||
| GIT 118-12 | Plourdosteus | Plourdosteus sp., Obrucheva 1966 | Burtnieki lade | ||||
| GIT 118-5 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 118-6 | Plourdosteus livonicus | Plourdosteus livonicus (Eastman, 1896) | Gauja lade | ||||
| GIT 764-1 | Plourdosteus mironovi | Plourdosteus mironovi (Obruchev, 1933) | , paljand 1319 | Ülem-Devon |