Bonellia viridis

Green spoonworm
Bonellia viridis (adult female)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Annelida
Clade: Pleistoannelida
Clade: Sedentaria
Subclass: Echiura
Order: Echiuroidea
Family: Bonelliidae
Genus: Bonellia
Species:
B. viridis
Binomial name
Bonellia viridis
(Rolando, 1821)

Bonellia viridis, the green spoonworm, is a marine worm (class Polychaeta, phylum Annelida) noted for displaying exceptional sexual dimorphism and for the biocidal properties of a pigment in its skin.