kingdom Animalia > phylum Annelida > class Polychaeta > subclass Polychaeta incertae sedis > infraclass Polychaeta fossils incertae sedis > family Hadoprionidae > genus Ildraites > species Ildraites horridus
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:340500 |
| Valid name | Hadoprion cervicornis |
| Valid Aphia ID | 333532 |
| Environments |
marine, |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Ildraites horridus Eller, 1940 is Hadoprion cervicornis.