Species
Pachystylostroma vallum Kapp et Stearn, 1975
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 477-16 | Pachystylostroma vallum | Pachystylostroma vallum Kapp et Stearn, 1975 | Middle Ordovician | Crown Point Formation | holotype |
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 477-16 | Pachystylostroma vallum | Pachystylostroma vallum Kapp et Stearn, 1975 | Middle Ordovician | Crown Point Formation | holotype |