Abstract
Gonothecae of both sexes and the non-released medusoids of Dentitheca dendritica (Nutting, 1900) are described for the firsttime. The genus Nemalecium Bouillon, 1986 is enriched through the discovery of a second species, N. gracile sp. nov., inMartinique, Lesser Antilles. Morphological data and comparison with material provisionally assigned to N. lighti (Hargitt,1924) are provided. The monoor dioecious colonies of N. gracile produce a swimming cryptomedusoid gonophore. Thecnidome of Nemalecium is shown to comprise not only pseudostenoteles and microbasic mastigophores, but also two additional nematocyst types unreported so far.References
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