Species
Orthosphaeridium octospinosum Eisenack, 1968
Synonyymit
1968 Orthosphaeridium octospinosum — Eisenack , pp. 92, fig. 25:2-3
1970 Orthosphaeridium insculptum — Loeblich , pp. 734-735, fig. 30A-E
1971 Orthosphaeridium densigranosum — Kjellström , pp. 28-30, fig. 19
1971 Orthosphaeridium densiverrucosum — Kjellström , pp. 30, fig. 20
1991 Orthosphaeridium insculptum f.erectum — Uutela &Tynni , pp. 103
2020 Orthosphaeridium octospinosum Eisenack, 1968 — Navidi-Izad et al. , pp. 7
Luokittelu
| Organism group | Biota |
| Protista | |
| Acritarcha | |
| Genus | Orthosphaeridium |
| Species | bispinosum |
| chondrododora | |
| densigranosum | |
| densiverrucosum | |
| insculptum | |
| latispinosum | |
| octospinosum | |
| rectangulare | |
| ternatum | |
| vibrissiferum |