Marenzelleria viridis (Verrill, 1873)
Spionid worm
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Family:  Spionidae ()
Max. size: 
Environment:  benthic; brackish; marine; depth range 14 - 18 m
Distribution:  Atlantic Ocean and the Arctic.
Diagnosis:   
Biology:  Found in littoral and sublittoral sediments (Ref. 1314). An infaunal species in sandy substrate, commonly on Zostera sp. beds (Ref. 95819). In the Vainameri, north-eastern Baltic Sea, inhabits rocky, silty sand and clay sediment types (Ref. 95753), and under Furcellaria lumbricalis mats (Ref. 95891). An opportunistic species linked to the reduced survival of native benthic species in the Baltic Sea (Ref. 95891).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  North America including Mexico (Ref. 1314). Also known from South Carolina to the northern Gulf of Mexico (Ref. 7866).

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