This species of flatworm-like animal comes in two complimentary forms: one with mortar and one with pestle. These are calcified projections on the ends of jointed, bony arms. Only by partnering, can they break open and grind seeds (or shellfish) so they can be digested. They are hermaphrodites.
Hello, my name is Dan. I am an author, artist, explorer, and contemplator of subjects large and small. I like bacon. I like pizza. I like bacon pizza. I enjoy long walks on the beach, but prefer the mountains. I am a huge fan of Jesus. When I grow up, I want to be just like him and create my own universes.