Genus
Cystistroma Etheridge, 1895
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 113-2 | Cystistroma canadense | Stromatocerium canadense Nicholson et Murie, 1878 | Oandu Stage | ||||
| GIT 113-3 | Cystistroma canadense | Stromatocerium canadense Nicholson et Murie, 1878 | Oandu Stage | ||||
| GIT 113-4 | Cystistroma canadense | Stromatocerium canadense Nicholson et Murie, 1878 | Pirgu Stage | ||||
| GIT 113-5 | Cystistroma sakuense | Stromatocerium sakuense Nestor, 1964 | Oandu Stage | holotype | |||
| GIT 113-6 | Cystistroma sakuense | Stromatocerium sakuense Nestor, 1964 | Oandu Stage | ||||
| GIT 113-81 | Cystistroma canadense | Stromatocerium canadense Nicholson et Murie, 1878 | Pirgu Stage | ||||
| GIT 166-14 | Cystistroma sakuense | Stromatocerium sakuense Nestor, 1964 | Middle Ordovician | Mangazei Stage | ||||
| GIT 166-15 | Cystistroma sakuense | Stromatocerium sakuense Nestor, 1964 | | Mangazei Stage | ||||
| GIT 166-16 | Cystistroma sakuense | Stromatocerium sakuense Nestor, 1964 | | Mangazei Stage | ||||
| GIT 166-65 | Middle Ordovician | Mangazei Formation |