Cystonectae
Videos
Cystonectae is a suborder of siphonophores. It includes the Portuguese man o' war and Bathyphysa conifera.
Jellyfish
Videos
Jellyfish, also known as sea jellies or simply jellies, are the medusa-phase of certain gelatinous members of the subphylum Medusozoa, which is a major part of the phylum Cnidaria. Jellyfish are mainl
A purple-striped jellyfish at the Monterey Bay Aquarium
Fossil jellyfish, Rhizostomites lithographicus, one of the Scypho-medusae, from the Kimmeridgian (late Jurassic, 157 to 152 mya) of Solnhofen, Germany
Stranded scyphozoans on a Cambrian fossil tidal flat at Blackberry Hill, Wisconsin