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  1. Siphonophorae (from Greek siphōn 'tube' + pherein 'to bear') is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria. According to the World Register of Marine Species, the order contains 175 species described thus far.
    en.wikipedia.org/wiki/Siphonophorae
    The siphonophores are an order of marine animals in the phylum Cnidaria (the same phylum containing jellyfish). Although they superficially resemble jellyfish, each siphonophore specimen is actually a colony of many genetically identical individuals called zooids.
    ocean.si.edu/holding-tank/images-hide/siphonopho…
    Siphonophores are aquatic animals of the order Siphonophorae. They belong to the class Hydrozoa, which is comprised of marine mammal s of the phylum Cnidaria. These animals are seen as colonies rather than solitary. They are transparent and float or swim as a colony.
    www.biologyonline.com/dictionary/siphonophore
    The meaning of SIPHONOPHORE is any of an order (Siphonophora) of colonial, free-swimming or floating, marine hydrozoans (such as the Portuguese man-of-war) that are mostly delicate, transparent, and colored and have zooids possessing specialized functions (such as feeding or locomotion).
    www.merriam-webster.com/dictionary/siphonophore

    The meaning of SIPHONOPHORA is an order of Hydrozoa consisting of various free-swimming or floating pelagic mostly delicate transparent and often showily colored forms that are usually regarded as compound animals composed of zooids modified to perform various functions for the colony (such as feeding, defense, locomotion), that sometimes have two or more zooids in the form of a bell which by their contractions cause the colony...

    www.merriam-webster.com/dictionary/Siphonophora
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    Siphonophorae (from Greek siphōn 'tube' + pherein 'to bear' ) is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria. According to the World Register of Marine Species, the order contains 175 species described thus far. Siphonophores are highly polymorphic and complex organisms.
    Siphonophores are gelatinous and most of them disintegrate when sampled with nets. The difficulty of collecting intact siphonophores makes the study of most species very challenging. Despite their size and abundance, we therefore know very little about even basic aspects of siphonophore biology.
    Siphonophores (Cnidaria: Hydrozoa) are a clade of gelatinous, colonial organisms that swim in the open ocean, feeding on a wide diversity of prey (often fish, crustaceans, and jellyfish). Siphonophore colonies have a modular body plan with different zooids specialized for different tasks.
    Unlike Physalia, most siphonophores are active swimmers that spend their entire lives in the deep-sea. They are typically elongate and rope-like, with some reaching lengths of 40 meters or more, making them the longest animals in the world — even longer than a Blue Whale.
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    Siphonophorae - Wikipedia

    Siphonophorae (from Greek siphōn 'tube' + pherein 'to bear' ) is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria. According to the World Register of Marine Species, the order contains 175 species described thus far. Siphonophores are highly polymorphic and … See more

    Colony characteristics
    Siphonophores are colonial hydrozoans that do not exhibit alternation of generations but … See more

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    Movement
    Siphonophores use a method of locomotion similar to jet propulsion. A siphonophore is a complex aggregate colony made up of … See more

    Discovery
    Carl Linnaeus described the first siphonophore, the Portuguese man o' war, in 1758. The discovery rate of siphonophore … See more

    • Dunn, Casey (n.d.). "Siphonophores". Current Biology. 19 (6). n/a: R233-4. doi:10.1016/j.cub.2009.02.009. PMID 19321136. … See more

    Overview image

    Currently, the World Register of Marine Species (WoRMS) identifies 175 species of siphonophores. They can differ greatly in terms of size and … See more

    Organisms in the order of Siphonophorae have been classified into the phylum Cnidaria and the class Hydrozoa. The phylogenetic relationships of siphonophores … See more

    • Mapstone, Gillian M. (2009). Siphonophora (Cnidaria, Hydrozoa) of Canadian Pacific waters. Ottawa: NRC Research Press. See more

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  4. Siphonophorae - Wikipedia

  5. Global Diversity and Review of Siphonophorae …

    WEBFeb 6, 2014 · In this review the history of discovery of siphonophores, from the first formal description by Carl Linnaeus in 1785 to the present, is …

    • Author: Gillian M. Mapstone
    • Estimated Reading Time: 10 mins
    • Publish Year: 2014
  6. Global Diversity and Review of Siphonophorae …

    WEBFeb 6, 2014 · PDF | In this review the history of discovery of siphonophores, from the first formal description by Carl Linnaeus in 1785 to the present, is... | Find, read and cite all the research you need on...

  7. Systematics of Siphonophores | SpringerLink

    WEBJan 1, 2015 · Abstract. Siphonophores are the most complex of all pelagic medusozoan hydrozoan cnidarians, bearing various types of zooids on a long stem and often termed “string jellyfish.”. They are extremely fragile …

  8. Siphonophores: Current Biology - Cell Press

  9. Evolution of Gene Expression across Species and Specialized …

  10. Molecular Phylogenetics of the Siphonophora (Cnidaria), with ...

  11. Improved phylogenetic resolution within Siphonophora (Cnidaria) …

  12. Siphonophores | SpringerLink