
''Spirorbis borealis'' is a sedentary marine polychaete worm in the Serpulidae family. It is commonly called the sinistral spiral tubeworm and is the type species of the genus ''Spirorbis''.
Similar species: Fan-head Worms
By Christine Young
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Uploaded Sep 19, 2021. Captured Sep 13, 2021 10:00 in 2 S Shore Dr, Owls Head, ME 04854, USA.
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