Xyalidae
Xyalidae is a family of nematodes belonging to the order Monhysterida.
Genera
Genera:Ammotheristus Lorenzen, 1977Amphimonhystera Timm, 1961Amphimonhystrella Timm, 1961Arabanema Turpeenniemi, Nasira & Maqbool, 2001Austronema Cobb, 1914Buccolaimus Allgén, 1959Capsula Bussau, 1993Cenolaimus Cobb, 1933Cienfuegia Armenteros, Vincx & Decraemer, 2009Cobbia de Man, 1907Corononema Nicholas & Stewart, 1995Dactylaimoides Blome, 2002Dactylaimus Cobb, 1920Daptonema Cobb, 1920Echinotheristus Thun & Riemann, 1967Elzalia Gerlach, 1957Enchonema Bussau, 1993Filipjeva Ditlevsen, 1928Gnomoxyala Lorenzen, 1977Gonionchus Cobb, 1920Guitartia Armenteros, 2010Gullanema Nicholas & Stewart, 1995Hofmaenneria Gerlach & Meyl, 1957Hofmaenneria Gerlach & Meyl, 1957Lamyronema Leduc, 2015Linhystera Juario, 1974Litotes Cobb, 1920Longilaimus Allgén, 1958Manganonema Bussau, 1993Marisalbinema Tchesunov, 1990Metadesmolaimus Schuurmans Stekhoven, 1935Omicronema Cobb, 1920Paradaptonema Gagarin, 2020Paragnomoxyala Jiang & Huang, 2015Paragonionchus Blome, 2002Paramonohystera Steiner, 1916Paramphimonhystrella Huang & Zhang, 2006Parelzalia Tchesunov, 1990Penzencia De ManPromonhystera Wieser, 1956Prorhynchonema Gourbault, 1982Pseudechinotheristus Blome, 2002Pseudelzalia Yu & Xu, 2015Pseudosteineria Wieser, 1956Pulchranemella N.Cobb, 1933Retrotheristus Lorenzen, 1977Rhynchonema Cobb, 1920Robustnema Nicholas, 1996Sacrimarinema Shoshin, 2001Scaptrella Cobb, 1917Sphaerotheristus Timm, 1968Spiramphinema Wieser, 1956Steineria Micoletzky, 1922Stylotheristus Lorenzen, 1977Theristus Bastian, 1865Theristus Bastian, 1865Valvaelaimus Lorenzen, 1977Wieserius Chitwood & Murphy, 1964Xenolaimus Cobb, 1920Xyala Cobb, 1920Zygonemella Cobb, 1920