kingdom Chromista > subkingdom Harosa > infrakingdom Heterokonta > phylum Ochrophyta > class Phaeophyceae > subclass Fucophycidae > order Ectocarpales > family Scytosiphonaceae > tribe Scytosiphoneae > genus Petalonia > species Petalonia filiformis
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:145864 |
| Valid name | Planosiphon filiformis |
| Valid Aphia ID | 1310311 |
| BOLD ID | 371541 |
| NCBI ID | 1240993 |
| Environments | marine |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Petalonia filiformis (Batters) Kuntze, 1898 is Planosiphon filiformis.