, k ne ` move ' + , rhynchos ` snout ' -RRB- is a phylum of small -LRB- 1 mm or less -RRB- marine pseudocoelomate invertebrates that are widespread in mud or sand at all depths as part of the meiobenthos .
p347 .
p347 .
简化: , k ne ` move ' + , rhynchos ` snout ' -RRB- is a phylum of small -LRB- 1 mm or less -RRB- marine pseudocoelomate invertebrates that are widespread in mud or sand at all depths as part of the meiobenthos . 输出: