kingdom Chromista > subkingdom Harosa > infrakingdom Heterokonta > phylum Ochrophyta > class Phaeophyceae > subclass Fucophycidae > order Ectocarpales > family Scytosiphonaceae > tribe Scytosiphoneae > genus Petalonia > species Petalonia debilis
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:178729 |
| Valid name | Petalonia fascia |
| Valid Aphia ID | 145863 |
| Environments | marine |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Petalonia debilis (Kützing) Derbès & Solier, 1850 is Petalonia fascia.