Species
Ptychoglyptus valdari Spjeldnaes, 1957
Synonymy list
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
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Sowerbyellidae | 
| Subfamily | Ptychoglyptinae | 
| Genus | Ptychoglyptus | 
| Species | ingenuus | 
| valdari |