Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Epitoky — is a form of reproduction observed for polychaete marine worms. The worms undergo a partial or complete transformation into an epitoke, a pelagic morph capable of sexual reproduction. Often an epitoke is the posterior part of the worm, that… … Wikipedia
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
Polychaete — Taxobox fossil range = Cambrian (or earlier?) present name = Polychaetes image width = 250px image caption = A variety of marine worms : plate from Das Meer by M. J. Schleiden (1804–1881). regnum = Animalia phylum = Annelida classis = Polychaeta… … Wikipedia
Thelytoky — or thelytokous parthenogenesis is a type of parthenogenesis in which females are produced from unfertilized eggs. It is rare in the animal kingdom and has only been reported in about 1500 species. [White M (1984). Chromosomal mechanisms in animal … Wikipedia
Nereididae — Nereidae Nereis succinea Scientific classification Kingdom … Wikipedia
heteronereid — n. [Gr. heteros, different; Neris, family Nerididae] (ANNELIDA: Polychaeta) A specialized, free swimming, sexually dimorphic marine worm that gives off sex products into the water and dies after spawning; see epitoky … Dictionary of invertebrate zoology
heteronereis — see epitoky … Dictionary of invertebrate zoology
heterosyllid — see epitoky … Dictionary of invertebrate zoology
