Ref ID : 1776

N. Smol and J. Sharma; Two new and three redescribed species of Viscosia (Nematoda, Oncholaimidae). Hydrobiologia 114:123-147, 1984

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Viscosia coomansi sp. nov. and Viscosia heterolaina sp. nov. are described from Lake Grevelingen and Eastern Scheldt (The Netherlands). Viscosia glabra (Bastian, 1865) de Man 1890, Viscosia franzii Boucher 1977, and Viscosia viscosa (Bastian, 1865) de Man 1890 are redescribed, taking into account new important characters. Juvenile specimens are depicted for V. viscosa. Viscosia carnleyensis Ditlevsen, 1921 is synonymized with Viscosia glabra (Bastian, 1865). Mononcholaimus viscosus Allgen, 1930 and Mononcholaimus elegans sensu Schuurmans-Stekhoven, 1942, 1950 (nec. Kreis, 1924) are synonymized with Viscosia viscosia (Bastian, 1865).