bryozoan: sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
invertebrate: any animal lacking a backbone or notochord; the term is not used as a scientific classification
roman pace: an ancient Roman unit of length (4.85 English feet) measured as the distance from the heel of one foot to the heel of the same foot when next it touches the ground