…заведомо лишен гектокотиля. – A. I. Arkhipkin and V. V. Laptikhovsky, “Observation of penis elongation in Onykia ingens: implications for spermatophore transfer in deep-water squid”, Journal of Molluscan Studies 76(3) (2010): 299–300, doi:10.1093/mollus/eyq019.
