Bdelloidea Directory References Discover How Many Countries Are There in the World? 10 Failed Doomsday Predictions Roman Catholic Saints Nostradamus and His Prophecies 10 Best Hockey Players of All Time Which Religion Is the Oldest? 7 Deadliest Weapons in History Contents Bdelloidea rotifer subclass Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:characteristics In rotifer…the swimming rotifers, some (subclass Bdelloidea) loop along the bottom of ponds, alternately attaching the head and tail ends; others remain anchored by means of tubes or cases of jelly attached to the bottom.Read More