kingdom Chromista > subkingdom Harosa > infrakingdom Alveolata > phylum Myzozoa > subphylum Dinozoa > infraphylum Dinoflagellata > class Dinophyceae > subclass Peridiniphycidae > order Peridiniales > family Peridiniaceae > genus Peridinium > species Peridinium tristylum
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:233659 |
| Valid name | Protoperidinium tristylum |
| Valid Aphia ID | 110263 |
| Environments | marine |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Peridinium tristylum F.Stein, 1883 is Protoperidinium tristylum.