A lancelet is a filter feeder with no brain, eyes, or heart. A
sea squirt is an example of a lancelet.
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like other cordates except urocortates, lancelet have
closed-circulatory system.
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Yes. The lancelet (or amphioxus) is a fish-like invertebrate sea creature. The creatures (subphylum Cephalochordata) are sometimes harvested as human and animal food.