Species
Atrypa (Atrypa) harknessi Alexander, 1949
Synonyymit
1949 Atrypa reticularis var. harknessi — Alexander , pp. 213-214, fig. 10:2a-d
2004 Atrypa (Atrypa) harknessi Alexander, 1949 — Copper , pp. 44, fig. 4Ca-0, fig.17
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Atrypida |
| Suborder | Atrypidina |
| Superfamily | Atrypoidea |
| Family | Atrypidae |
| Subfamily | Atrypinae |
| Genus | Atrypa |
| Subgenus | (Atrypa) |
| Species | Atrypa (Atrypa affinis |
| dzwinogrodensis | |
| gotha | |
| harknessi | |
| murchisoni | |
| reticularis | |
| slitea | |
| Subspecies | alata |