Cyrtospirifer altiplicus- Cyrtospirifer angusticardinalis
- Cyrtospirifer arenarius
- Cyrtospirifer breviposticus
- Cyrtospirifer buddingtoni
- Cyrtospirifer convexus
- Cyrtospirifer corriensis
- Cyrtospirifer hornellensis
- Cyrtospirifer kindlei
- Cyrtospirifer leboeufensis
- Cyrtospirifer lobatus
- Cyrtospirifer monticolaformis
- Cyrtospirifer nucalis
- Cyrtospirifer oleanensis
- Cyrtospirifer paridaensis
- Cyrtospirifer portae
- Cyrtospirifer preshoensis
- Cyrtospirifer pyramidalis
- Cyrtospirifer rotundus
- Cyrtospirifer spicatus
- Cyrtospirifer tionesta
- Cyrtospirifer vandermarkensis
- Cyrtospirifer warrenensis
- Cyrtospirifer whitneyi