Record of new alien species <i>Dipolydora quadrilobata</i>(Jacobi, 1883) (Annelida: Spionidae) on the shelf of Crimea (the Black Sea)
New alien species in the Black Sea Dipolydora quadrilobata (Annelida: Spionidae) was found on the shelf of Crimea in 2010 - 2011. It was registered in bottom sediments with high mud contents at the depth of 70 - 93 m in the community of Modiolula phaseolina.