As the names suggest, the subdivision of annelids into the Errantia and Sedentaria matches their overall lifestyles (Fig. 1). Members of the Errantia are free to move about, and crawl, swim or burrow.

A new species of ancient sea worm with an impressively elaborate set of star-shaped chaetae has been discovered after its puzzling fossilized form was found to be animal not mineral. And just as ...

An international team of scientists has published a single-cell atlas for Pristina leidyi (Pristina), the water nymph worm, a segmented annelid with extraordinary regenerative abilities that has ...

The demand for rare raw materials, such as cobalt, is fuelling the exploration of the deep-sea floor for mining. Commercial deep-sea mining is currently prohibited in areas beyond national ...

The Leibniz Association is funding a new collaborative project to untangle European marine annelids. Led by Dr Jenna Moore at the Leibniz Institute for the Analysis of Biodiversity Change (LIB), the ...

Excavations by a University of Kansas paleontologist working in a treasure trove of fossils called the "Spence Shale Lagerstätte" have revealed an ancient sea worm unknown to science until now. The ...

A new genetic analysis of a large group of ringed worms called annelids proves a 150-year-old hypothesis that these many species can be split into the lazy bums and the jocks. The annelids, which ...