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Calycozoa :: Calycozoa (n. pl.) A group of acalephs of which Lucernaria is the type. The body is cup-shaped with eight marginal lobes bearing clavate tentacles. An aboral sucker serves for attachment. The interior is divided into four large compartments. See Lucernarida.

Lucernaria :: Lucernaria (n.) A genus of acalephs, having a bell-shaped body with eight groups of short tentacles around the margin. It attaches itself by a sucker at the base of the pedicel..

Lucernarida :: lucernarida (n. pl.) A more extensive group of acalephs, including both the true lucernarida and the Discophora..

Gymnophthalmata :: Gymnophthalmata (n. pl.) A group of acalephs, including the naked-eyed medusae; the hydromedusae. Most of them are known to be the free-swimming progeny (gonophores) of hydroids..

Discophora :: Discophora (n. pl.) A division of acalephs or jellyfishes, including most of the large disklike species..

Lucernarida :: lucernarida (n. pl.) A division of acalephs, including Lucernaria and allied genera; -- called also Calycozoa..

Acalephs :: Acalephs (pl. ) of Acalepha.

Jellyfish :: "Jellyfish (n.) Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa..

Acraspeda :: Acraspeda (n. pl.) A group of acalephs, including most of the larger jellyfishes; the Discophora..

Trachymedusae :: Trachymedusae (n. pl.) A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusae..

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