| 1 | Popularlyknown as starfish, sea stars are actually echinoderms, closely relatedto sea urchins and sand dollars. | |
| 2 | These small, spiny echinoderms are found in oceans all over the world. | |
| 3 | The area around the anus in certain invertebrates, such as echinoderms. | |
| 4 | But echinoderms apparently deliver more carbon to the sediments than do forams, for example. | |
| 5 | Benthopelagic (Ref. 58302). Feed on algae, detritus, mollusks, crustaceans, worms, echinoderms, fishes, sponges, foraminiferans, and eggs. |