Clusters of fossil serpulid worm tubes, like these Rotularia from the British Eocene, are common fossils in many Mesozoic and Cenozoic marine rocks The Museum’s collection of fossil annelids is both ...

More information: N. Sören Häfker et al, Molecular circadian rhythms are robust in marine annelids lacking rhythmic behavior, PLOS Biology (2024). DOI: 10.1371/journal.pbio.3002572 ...

Annelids such as Platynereis dumerilii can regenerate ... The growth of new segments (body parts) in marine worms is controlled by a special growth zone, in which special stem cells are located.