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| Myzostomida | |
|---|---|
| |
| Myzostoma fuscomaculatum on its host the crinoid Tropiometra carinata | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Order: | Myzostomida von Graff, 1877 |
The Myzostomida or Myzostomatida are an order of small marine worms, which are parasitic on echinoderms, mostly crinoids. These highly unusual and diverse annelids[1] were first discovered by Friedrich Sigismund Leuckart in 1827.
- ^ Summers, Mindi M.; Rouse, Greg W. (2014). "Phylogeny of Myzostomida (Annelida) and their relationships with echinoderm hosts". BMC Evolutionary Biology. 14: 170. doi:10.1186/s12862-014-0170-7. PMC 4160548. PMID 25164680.