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heathenharnow:

För världarna nio
© Heathen Harnow - please do not remove credit

scientificillustration:

Phoronis par Marc de Selys-Longchamps ; herausgegeben von der zoologischen Station zu Neapel.

Phoronids (scientific name Phoronida, sometimes called horseshoe worms) are a phylum of marine animals that filter-feed with a lophophore (a “crown” of tentacles), and build upright tubes of chitin to support and protect their soft bodies.