perekond
Hammatostroma Stearn, 1961
| Pildid | ||||||
|---|---|---|---|---|---|---|
| GIT 477-33 | Hammatostroma albertense | Hammatostroma albertense Stearn, 1961 | Ülem-Devon | Southesk Formation |
| Pildid | ||||||
|---|---|---|---|---|---|---|
| GIT 477-33 | Hammatostroma albertense | Hammatostroma albertense Stearn, 1961 | Ülem-Devon | Southesk Formation |