Glyceridae
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 Glycera alba with everted proboscis.
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Glyceridae is a taxonomic family of worms. They are commonly referred to as beak -thrower worms.
[edit] Characteristics
- Pointy snout used for burrowing in sediment
- No septa in anterior part of bodies
- Rely on peristalsis to move
- Explosively evert pharynx into sediment, anchor position with prostomium and pull body forward.
- Eversible pharynx also used in prey capture: 4 poisonous fangs
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