Original: , k ne 'move' +, rhynchos' snout ') is a phylum of small (1 mm or less) marine pseudocoelomate invertebrates that are widespread in mud or sand at all depths as part of the meiobenthos.
Simplified: Unlike some similar invertebrates, they do not have external cilia, but instead have a number of spines along the body, plus up to seven circles of spines around the headBrusca and Brusca, Invertebrates.