hydrozoans
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hydrozoans — adj. belonging to the class Hydrozoa (Zoology) n. member of the class Hydrozoa (Zoology) … English contemporary dictionary
Hydrozoa — Taxobox name = Hydrozoa image width = 240px image caption = Closeup of a hydrozoan colony regnum = Animalia subregnum = Eumetazoa phylum = Cnidaria subphylum = Medusozoa classis = Hydrozoa classis authority = Owen, 1843 subdivision ranks =… … Wikipedia
cnidarian — /nuy dair ee euhn/, n. 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a… … Universalium
Cnidaria — Temporal range: 580–0 Ma … Wikipedia
Medusa (biology) — In biology, a medusa (plural: medusae) is a form of cnidarian in which the body is shaped like an umbrella, in contrast with polyps. Medusae vary from bell shaped to the shape of a thin disk, scarcely convex above and only slightly concave below … Wikipedia
Anthomedusae — Taxobox name = Athecate hydroids image width = 200px image caption = Lower left, top right: Aspects of Tiara pileata (Filifera: Clavidae) Lower right: Aspect of Stomotoca pterophylla (Filifera: Pandeidae). From Kunstformen der Natur by Ernst… … Wikipedia
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
Janthina janthina — A live Janthina janthina (with bubble raft) that has been swept up onto a beach in Maui, Hawaii. Note that … Wikipedia
siphonophore — noun Etymology: ultimately from Greek siphōn + pherein to carry more at bear Date: circa 1842 any of an order (Siphonophora) of compound free swimming or floating pelagic hydrozoans that are mostly delicate, transparent, and colored and have… … New Collegiate Dictionary
Hirohito — / Emperor Shōwa 裕仁 / 昭和天皇 Emperor of Japan Reign 25 December 1926 – 7 January 1989 ( 1000000000000006200000062 years, 10000000000 … Wikipedia
