Species
Ptychoglyptus valdari Spjeldnaes, 1957
Synonyymit
1957 Ptychoglyptus valdari sp. n. — Spjeldnaes , pp. 58-61, fig. pl. 1: 1-3; text-figs 17, 19K-L
2008 Ptychoglyptus valdari Spjeldnaes, 1957 — Hansen , pp. 59, fig. pl. 8: 3-5; tabl. 32
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Strophomenida |
| Superfamily | Plectambonitoidea |
| Family | Sowerbyellidae |
| Subfamily | Ptychoglyptinae |
| Genus | Ptychoglyptus |
| Species | ingenuus |
| valdari |