| Helminthochiton Temporal range: | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Polyplacophora |
| Order: | Lepidopleurida |
| Family: | Leptochitonidae |
| Subfamily: | †Helminthochitoninae |
| Genus: | †Helminthochiton |
Helminthochiton is an extinct genus of polyplacophoranmollusc. Helminthochiton became extinct during the Permian period.[1]
Helminthochiton grayiae was recognised as the type species for Septemchiton. This was named for Elizabeth Gray who collected fossils at Girvan.[2]
Helminthochiton thraivensis has been reassigned to the genus Phthipodochiton in 2012.[3]