A redescription of \emph{Ypsylonellus} \emph{similis} ({Thorne}, 1925) {Andrassy}, 1984, with descriptions of some related species ({Nematoda}: {Cephalobidae})

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith