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Spionidae
Scolelepis squamata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Annelida
Clade:	Pleistoannelida
Clade:	Sedentaria
Order:	Spionida
Family:	Spionidae Grube, 1850
Genera
Anaspio Aonides Apoprionospio Aquilaspio Aurospiro Australospio Boccardia Boccardiella Carazziella Dipolydora Dispio Glandulospio Glyphochaeta Laonice Laubieriellus Lindaspio Malacoceros Marenzelleria Mesospio Microspio Minuspio Morants Paraprionospio Polybranchia Polydora Polydorella Prionospio Pseudomalacoceros Pseudopolydora Pygospio Rhynchospio Scolecolepides Scolelepis Spio Spiophanes Streblospio Tripolydora

Spionidae is a family of marine worms within the Polychaeta. Spionids are selective deposit feeders that use their two grooved palps to locate prey. However, some spionids are capable of interface feeding, i.e. switching between deposit and suspension feeding.

Spionids produce tubes by cementing sand grains and detritus material with mucus produced by their glandular pouches. The Spionidae is one of the most studied polychaete families given their biological and commercial importance. Members of this family have been used in regeneration studies and some are capable of boring into calcareous substrate which has destructive implications for commercially important shellfish.

References

1. Fauchald, Kristian (2008). Read G, Fauchald K (eds.). "Spionidae: Grube, 1850". World Polychaeta database. World Register of Marine Species. Retrieved 27 July 2017.
2. ^ Bortone, Stephen A. (2004). Estuarine Indicators. CRC Press. pp. 277–278. ISBN 978-1-4200-3818-7.

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