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  1. Studies of "siphonophorae"
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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 … See more

    Colony characteristics
    Siphonophores are colonial hydrozoans that do not exhibit alternation of generations but instead reproduce asexually through a budding process. Zooids are the … See more

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    Movement
    Siphonophores use a method of locomotion similar to jet propulsion. A siphonophore is a … 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

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    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 have … See more

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

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  3. Siphonophorae - Wikipedia

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  5. Siphonophores: Habitat, Anatomy, Diet & Other Facts

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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.
    The name “siphonophore” represents about 175 species in the order Siphonophorae. They are part of the phylum Cnidaria, which includes well-known ocean animals like jellyfish, anemones and corals. Many siphonophores are long and string-like, but some, like the venomous Portuguese Man O’War, resemble jellyfish.
    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.
  7. Siphonophorae - Animalia

  8. Siphonophores: Current Biology - Cell Press

  9. Systematics of Siphonophores | SpringerLink

  10. Global Diversity and Review of Siphonophorae (Cnidaria: Hydrozoa)

  11. Global diversity and review of Siphonophorae (Cnidaria: Hydrozoa)