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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 870

Helen Carol Hechler; Taxonomic notes on four species of Panagrellus Thorne (Nematoda: Cephalobidae). J.Nematology 3(3):227-237, 1971

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Four populations of Panagrellus redivivus (Linnaeus, 1767) Goodey, 1945, and syntypes of P. dubius Sanwal, 1960, P. redivivoides (Goodey, 1943) Goodey, 1945, P. pycnus Thorne, 1938, P. zymosiphilus (Brunold, 1950) Brunold, 1954, and P. leucocephalus Steiner, 1936 were examined. Additional information on the morphology of spicules and stoma is presented. P. zymosiphilus is synonymized with P. redivivoides and Ruhm's synonymization of P. silusiae and P. leucocephalus with P. redivivus is supported. Lectotypes for P. pycnus and P. redivivoides are designated.