Annelids

Annelids

Pista cretacea, from Cornell Collection of Blaschka Invertebrate Models. Photo: Claire Smith, used with permission from Cornell University.

Annelids are segmented worms that live in marine, freshwater, and terrestrial environments. They include the familiar earthworms that live in soils on land around the world. The group includes numerous marine species that are important in oceanic ecosystems, for example in burrowing in soft bottoms.

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Paleontological Research Institution