Amphimenia
Amphimenia is a genus of cavibelonian solenogaster, a kind of shell-less, worm-like mollusk. This genus has only one species, Amphimenia neapolitana. It is found in the Mediterranean Sea. References

Further reading 
 Thiele, J. 1894 Beiträge zur vergleichenden Anatomie der Amphineurem. I. Úber einige Neapeñer Solenogastres. Zeitschr. Wissensch. Zool., 58: 222-302 
  Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213. Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. Solenogastres