A team of researchers from the European Molecular Biology Laboratory in Germany and the University of Exeter in the U.K. has conducted the first comprehensive study of the head chemosensory organ ...

Larvae of a marine ragworm Platynereis dumerilii have been studied as a zooplankton model, and possess photoreceptor cells in the brain to regulate circadian swimming behavior. This study revealed ...

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.

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 ...

DURING the course of an ecological investigation of the polychæte annelid Pygospio elegans Clap., a remarkable mode of asexual reproduction was noticed. The species were collected at the small island ...