Nemertean Worm

A nemertean worm (Notospermus geniculatus). Left: a contracted worm. Right: an extended worm. The nemertean body is usually highly contractible and extendable. Some nemertean species, such as Lineus longissimus, can reach 30m long.  

A nemertean worm (Notospermus geniculatus). Left: a contracted worm. Right: an extended worm. The nemertean body is usually highly contractible and extendable. Some nemertean species, such as Lineus longissimus, can reach 30m long.  

Date:
05 December 2017
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