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 ...
Frontmatter -- Preface -- Contents -- List of contributing authors -- Part 1: Introduction -- 1. A History of Annelida Research / ǂr Read, Geoffrey B. -- 2. Phylogeny / ǂr Struck, Torsten ...
This is a preview. Log in through your library . Abstract Each muscle cell of the syllid (Annelida: Polychaeta) proventriculus, the region of the gut posterior to the pharynx, contains a single ...
Actually, at 40 centimeters (15.7 inches) long and weighing approximately 26 grams, the earthworm named Dave has been added to the record books as the largest earthworm ever found in Britain, reports ...