kingdom Chromista > subkingdom Harosa > infrakingdom Alveolata > phylum Myzozoa > subphylum Dinozoa > infraphylum Dinoflagellata > class Dinophyceae > subclass Peridiniphycidae > order Gonyaulacales > family Ceratiaceae > genus Ceratium > species Ceratium ostenfeldii
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:233290 |
| Valid name | Tripos ostenfeldii |
| Valid Aphia ID | 841271 |
| Environments |
marine, |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Ceratium ostenfeldii Kofoid, 1907 is Tripos ostenfeldii.