Ascidiacea, Sweden; (commonly known as the ascidians or sea squirts) is a paraphyletic class in the subphylum Tunicata

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Ascidiacea (commonly known as the ascidians or sea squirts) is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders.[2] Ascidians are characterized by a tough outer "tunic" made of the polysaccharide cellulose.

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Location: Sweden
Photo credit: © Martin Almqvist / Alamy / Afripics
License: Royalty Free
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