Species
Oepikium antiquatum (Krause, 1889)
Synonymy list
1889 Entomis sigma var. — Krause , pp. 13, 23, fig. pl. 1, fig. 13
1891 Entomis sigma v. antiquata — Krause , pp. 509, 518
2011 Oepikium antiquatum (Krause, 1889) — Schallreuter & Hinz-Schallreuter , pp. 60, fig. 1B
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Palaeocopida |
| Suborder | Beyrichicopina |
| Palaeocopa | |
| Superfamily | Eurychilinacea |
| Family | Oepikiumidae |
| Genus | Oepikium |
| Species | acutum |
| antiquatum | |
| flabelliferum | |
| novum | |
| porkuniensis | |
| reticulatum | |
| tenerum |