SpiomeniaSpiomenia is a genus of solenogaster, shell-less, worm-like, marine mollusks.SpeciesSpiomenia phaseolosa Todt & Salvini-Plawen, 2003Spiomenia praematura Todt & Salvini-Plawen, 2003Spiomenia pusilla Gil-Mansilla, García-Álvarez & Urgorri, 2009Spiomenia spiculata Arnofsky, 2000