The case of the annelids exemplifies both the beauty and ... for undulatory crawling (as seen in today's Errantia and for example in the Spionidae, which lie in the basal part of the Sedentaria ...

has not been fully answered yet. In a new paper researchers report on the marine life of the CCZ, focusing on annelid worms. Annelids represent one of the largest group of macroinvertebrates ...