- Protoperidinium antarcticum
- Protoperidinium avellana
- Protoperidinium belizeanum
- Protoperidinium breve
- Protoperidinium brevipes
- Protoperidinium brochii
- Protoperidinium cerasus
- Protoperidinium claudicans
- Protoperidinium concinna
- Protoperidinium conicoides
- Protoperidinium conicum
- Protoperidinium crassipes
- Protoperidinium curtipes
- Protoperidinium deficiens
- Protoperidinium depressum
- Protoperidinium diabolum
- Protoperidinium divergens
- Protoperidinium elegans
- Protoperidinium excentricum
- Protoperidinium globosum
- Protoperidinium globulus
- Protoperidinium grande
- Protoperidinium hirobis
- Protoperidinium leonis
- Protoperidinium minutum
- Protoperidinium mite
- Protoperidinium murrayi
- Protoperidinium novella
- Protoperidinium oblongum
- Protoperidinium obtusum
- Protoperidinium oceanicum
- Protoperidinium ovatum
- Protoperidinium ovum
- Protoperidinium pallidum
- Protoperidinium pellucidum
- Protoperidinium pentagonum
- Protoperidinium punctulatum
- Protoperidinium pyriforme
- Protoperidinium pyrum
- Protoperidinium quarnerense
- Protoperidinium roseum
- Protoperidinium spiniferum
- Protoperidinium steidingerae
- Protoperidinium steinii
- Protoperidinium subinerme