# Benthic invertebrate disperal and range # J.Pringle, J.Byers, J.Wares, P.Pappalardo # ========================= phylum ------------------------- Annelida ========================= class ------------------------- Clitellata Polychaeta ========================= phylum ------------------------- Arthropoda ========================= class ------------------------- Cephalocarida Malacostraca Maxillopoda Merostomata Pycnogonida ========================= phylum ------------------------- Bryozoa ========================= class ------------------------- Gymnolaemata ========================= phylum ------------------------- Chordata ========================= class ------------------------- Ascidiacea ========================= phylum ------------------------- Cnidaria ========================= class ------------------------- Anthozoa Hydrozoa ========================= phylum ------------------------- Echinodermata ========================= class ------------------------- Asteroidea Crinoidea Echinoidea Holothuroidea Ophiuroidea ========================= phylum ------------------------- Mollusca ========================= class ------------------------- Aplacophora Bivalvia Gastropoda Polyplacophora Scaphopoda ========================= phylum ------------------------- Porifera ========================= class ------------------------- Calcarea Demospongiae