Home Acknowledgments Conventions Glossary Maps References Links Articles Thumbnails Species list	Breakdown of Known Hawaiian Opisthobranchs by Group Group # spp % Cephalaspidea (trad.) 92 18.4      Acteonoidea 11 2.2      Cephalaspidea 81 16.2 Thecosomata 26 5.2 Gymnosomata 5 1.0 Anaspidea 14 2.8 Sacoglossa 62 12.4 Notaspidea (trad.) 17 3.4      Tylodinoidea 3 0.6      Pleurobranchomorpha 14 2.8 Nudibranchia 284 56.8      Doridacea 175 35.0           cryptobranchs 136 27.2           phanerobranchs 39 7.8      Dendronotacea 17 3.4      Arminacea 6 1.2      Aeolidacea 86 17.2 Total 500   For those who are interested in figures for the benthic fauna, the following table excludes the pelagic/planktonic species in the Thecosomata and Gymnosomata as well as Stylocheilus longicauda, Cephalopyge trematoides, Doto sp. #1, Tergipes sp. #1, Fiona pinnata and Glaucus atlanticus. Group # spp % Cephalaspidea (trad.) 92 19.9      Acteonoidea 11 2.4      Cephalaspidea 81 17.5 Anaspidea 13 2.8 Sacoglossa 62 13.4 Notaspidea (trad.) 17 3.7      Tylodinoidea 3 0.6      Pleurobranchomorpha 14 3.0 Nudibranchia 279 60.2      Doridacea 175 37.8           cryptobranchs 136 29.4           phanerobranchs 39 8.4      Dendronotacea 15 3.2      Arminacea 6 1.3      Aeolidacea 83 17.9 Total 463
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