The spoonworm Echiurus echiurus was first described by the Prussian naturalist Peter Simon Pallas in 1766; he placed it in the earth … Meer weergeven

Echiurans are exclusively marine and the majority of species live in the Atlantic Ocean. They are mostly infaunal, occupying … Meer weergeven

A spoon worm can move about on the surface by extending its proboscis and grasping some object before pulling its body forward. … Meer weergeven

Spoon worms are eaten in East and Southeast Asia. In South Korea fat innkeeper worms (Urechis unicinctus) are known as … Meer weergeven

Spoon worms vary in size from the giant Ikeda taenioides, nearly 2 m (7 ft) long with its proboscis extended, to the minute Lissomyema, measuring just 1 cm (0.4 in). Their bodies … Meer weergeven

Echiurans are dioecious, with separate male and female individuals. The gonads are associated with the peritoneal membrane lining the body cavity, into which they release the gametes. The sperm and eggs complete their maturation in the body … Meer weergeven

According to the World Register of Marine Species:
• suborder Bonelliida
• suborder Echiurida
• … Meer weergeven