Phascolionidae es una familia de Sipuncula o gusanos cacahuete.
Descripción Carecen del nefridio izquierdo, los husos musculares y algunos retractores.
Especies Onchnesoma Onchnesoma intermedium Murina, 1976Murina, V.V. (1976): New and rare species of sipunculida from the East China Sea. Vestnik Zoologi, 2:62-67Cutler, Edward B. & Cutler, Norma J (1985): A revision of the genera Phascolion Théel and Onchnesoma Koren and Danielssen (Sipuncula). Proceedings of Biological Society of Washington 94(4):809-850Cutler, Edward B. & Gibbs, Peter E. (1985): A Phylogenetic analysis of higher taxa in the Phylum Sipuncula. Systematic Zoology 34(2):162-173. Onchnesoma magnibathum Cutler, 1969Cutler, Edward B. (1969): New species of Sipuncula from western North Atlantic. Proceedings of Biological Society of Washington, 82:209-218. Cutler, Edward B. (1994): The Sipuncula: their systematic, biology and evolution.Comstock Publishing Associates of Cornell University. Ithaca, New York. 406p ISBN 0-8014-2843-2 Google BookSmithsonian National Museun of Natural History. Antartic Invertebrates: Onchnesoma magnibathum Cutler, 1969 http://invertebrates.si.edu/antiz/taxon_view.cfm?ScreenWidth=1003&ScreenHeight=567&taxon=8585&MODE=taxon Onchnesoma squamatum oligopapillosum (Cutler, Cutler y Nishikawa, 1984)Cutler, E. B., Cutler, N. J. & Nikanawa, T. (1984): Systematic and distribution of Japanese Sipuncula. Publication of the Seto Marine Biological Laboratory. 29:249-322 Onchnesoma squamatum squamatum (Koren y Danielssen, 1875)Koren, J. and Danielssen, D.C. (1875): Bidrag de norskr Gephyreens Naturhistorie. Nytt. Magasin for Naturvidenskapene, 21:201-138. Onchnesoma steenstrupii nudum Cutler y Cutler, 1985 Onchnesoma steenstrupii steenstrupii Koren y Danielssen, 1875
Phascolion Phascolion abnorme Fischer 1895 Phascolion bogorovi Murina 1973 Phascolion caupo Hendrix 1975 Phascolion cirratum Murina, 1968 Phascolion collare Selenka and de Man, 1883 Phascolion convestitum Sluiter, 1902 Phascolion cryptum Hendrix, 1975 Phascolion gerardi Rice, 1993 Phascolion hedraeum Selenka and de Man, 1883 Phascolion hibridum Murina 1981 Phascolion hupferi Fischer, 1895 Phascolion lucifugax Selenka and de Man, 1883 Phascolion lutense Selenka, 1885 Phascolion medusae Cutler and Cuttler, 1980 Phascolion megaethi Cutler & Cutler 1979 Phascolion microspheroidis Cutler and Duffy, 1972 Phascolion pacificum Murina, 1957 Phascolion pharetratum Sluiter 1902 Phascolion psammophilus Rice 1993 Phascolion rectum Ikeda, 1904 Phascolion robertsoni Stephen & Robertson 1952 Phascolion strombus (Montagu, 1804) Phascolion tuberculosum Théel, 1875 Phascolion ushakovi Murina 1974 Phascolion valdiviae Fischer, 1916
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Categoría:Sipuncula