Species
Porambonites (Equirostra) deformatus (Eichwald, 1829)
Synonymy list
1829     Terebratula deformata, n. — Eichwald , pp. 275, fig. Tab. 4, fig. 8
1840     Terebratula deformata m. — Eichwald , pp. 132-133
1840     Terebratula deformata m. — Eichwald , pp. 154-155
1856     Porambonites deformatus — Eichwald , pp. 433
1857     Porambonites deformatus — Eichwald , pp. 100
1860     Porambonites deformatus m. — Eichwald , pp. 769
1930     Porambonites deformatus Eichwald — Teichert , fig. Tab. 11, figs 19-22
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Pentamerida | 
| Suborder | Syntrophiidina | 
| Superfamily | Porambonitoidea | 
| Family | Porambonitidae | 
| Genus | Porambonites | 
| Subgenus | (Equirostra) | 
| Species | aequirostris | 
| baueri | |
| deformatus |