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Spionida is an order of marine polychaete worms in the infraclass Canalipalpata. Spionids are cosmopolitan and live in soft substrates in the littoral or neritic zones. See more
Spionids have a single pair of flexible feeding tentacles with grooves, arising directly from the prostomium. The mouth has no jaws and the … See more
According to the World Register of Marine Species (WoRMS), the Spionida comprises six families in a single suborder: See more
Wikipedia text under CC-BY-SA license WoRMS - World Register of Marine Species - Spionida
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Spionidae - Wikipedia
Spionida - Wikipedia
Spionida | polychaete order | Britannica
(PDF) Spionidae (Annelida) from shallow waters around …
WebJan 6, 2012 · PDF | This is the third guide in a series aimed to help in the identification of northern European samples through the National Marine Biological... | Find, read and cite all the research you need...
WoRMS - World Register of Marine Species - Spioniformia
Mitochondrial genomes of two Polydora (Spionidae) species
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