Mesonerilla
Mesonerilla is a genus of polychaetes in the Nerillidae family.
It contains the following species:Mesonerilla armoricana Swedmark, 1959Mesonerilla biantennata Jouin, 1963Mesonerilla fagei Swedmark, 1959Mesonerilla intermedia Wilke, 1953Mesonerilla luederitzi Remane, 1949Mesonerilla prospera Sterrer & Iliffe, 1982Mesonerilla roscovita Levi, 1953