schizopod

/ˈskɪzəˌpɑd/
noun
  1. A small marine crustacean with a body divided into two main parts, such as a shrimp or krill.
    • A single schizopod can filter tiny algae from the water.
    • The schizopod swam quickly through the shallow water.
    • Marine biologists studied the schizopod's role in the ocean food chain.