Siphonophore
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Siphonophores are cnidarian animals of the hydrozoan order Siphonophorae. According to the World Register of Marine Species, the order contains 194 species described thus far.
Photographs of living siphonophores
Portuguese Man o' War (Physalia physalis)
Hydrozoa
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Hydrozoa, also called hydroids are a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water. The colonies of the colonial sp
Siphonophore
…Siphonophores (from Ancient Greek σίφων (siphōn), meaning "tube" and -φόρος (-phóros), meaning "bearing") are cnidarian animals of the hydrozoan order Siphonophorae. According to the World Register of Marine Species, the order contains 194 species described thus far. Siphonophores are highly…
Haeckel Siphonophorae 7
The hydroid Tubularia indivisa, fertile
Limnomedusae like the flower hat jelly (Olindias formosa) were long allied with Anthomedusae and Leptomedusae in the "Hydroida".