Genus
Semitreta Biernat, 1973
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 275-130 | Semitreta magna | Semitreta? magna (Gorjansky, 1969) | |||||
| GIT 275-131 | Semitreta magna | Semitreta? magna (Gorjansky, 1969) | |||||
| GIT 275-132 | Semitreta magna | Semitreta? magna (Gorjansky, 1969) | |||||
| GIT 275-133 | Semitreta magna | Semitreta? magna (Gorjansky, 1969) | Leetse Formation |