On Dermasterias imbricata
Thanks to the students of the University of Colorado who were studying newts and snail parasites here today .
These little piles of castings were all along the edge of the water on top of very wet sediment. I saw a little worm end sticking out of a tiny hole near one. I dug down but couldn't get it.
The annelids (also called "ringed worms"), formally called Annelida (from Latin anellus "little ring"), are a large phylum of segmented worms, with over 2,000 modern species including ragworms, earthworms and leeches. They are found in marine environments from tidal zones to hydrothermal vents, in freshwater, and in moist terrestrial environments.They are bilaterally symmetrical, triploblastic, coelomate organisms.They have parapodia for locomotion. Although most textbooks still use the traditional division into polychaetes (almost all marine), oligochaetes (which include...