kingdom Chromista > subkingdom Harosa > infrakingdom Alveolata > phylum Myzozoa > subphylum Dinozoa > infraphylum Dinoflagellata > class Dinophyceae > subclass Peridiniphycidae > order Gonyaulacales > family Ceratiaceae > genus Ceratium > species Ceratium longissimum
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:109966 |
| Valid name | Tripos longissimus |
| Valid Aphia ID | 837228 |
| Environments | marine |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Ceratium longissimum (Schröder) Kofoid, 1907 is Tripos longissimus.