crinoid
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Fanning the sea (Crinoid)
phantomquartz: Rare “Pinapple” Opal “Opal Pseudomorphs are created by the deposition of opal in casts (molds) of fossil bone, teeth, shell, belemnoids (ancient relatives of cuttlefish), crinoids (sea lillies), wood, fir cones and even skeletons
astronomy-to-zoology: A species of Crinoid (feather star) swimming. Source
eqiunox: Crinoid sunburst
ronbeckdesigns: Fossilized Crinoids by golanlevin on Flickr
earthstory: Amazing, this is a crinoid swimming (edited after comments)
mirkokosmos:Crinoid Fossils
scienceisbeauty: The wonderful and dreamlike underwater world. Photographer and scientific diver Alexander Semenov takes beautiful underwater images (via BuzzFeed) Alitta virens Lion’s mane jellyfish Salp Terebellidae Hyperia galba Limacina Crinoid
