Orbiniida
Orbiniida is an order of small polychaete worms in the phylum Annelida. It is the earliest diverging clade in Sedentaria. Along with Protodriliformia (in Errantia), this order is composed of meiofaunal marine worms formerly known as "archiannelids". These worms inhabit the marine interstitial ecosystem, the space between sand grains.
| Orbiniida | |
|---|---|
| The orbiniid worm Phylo felix. | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Subclass: | Sedentaria |
| Order: | Orbiniida Fauchald 1977 sensu Struck et al. 2015 |
| Families | |
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