Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Nematoda > Class Chromadorea > Subclass Chromadoria > Order Monhysterida > Suborder Monhysterina > Superfamily Sphaerolaimoidea

Xyalidae Chitwood, 1951

Rank: Family
Taxon Status: accepted

Children

Ammotheristus Lorenzen, 1977
Amphimonhystera Allgén, 1929
Amphimonhystrella Timm, 1961
Cobbia de Man, 1907
Daptonema Cobb, 1920
Echinotheristus Thun & Riemann, 1967
Elzalia Gerlach, 1957
Filipjeva Ditlevsen, 1928
Gnomoxyala Lorenzen, 1977
Gonionchus Cobb, 1920
Hofmaenneria Gerlach & Meyl, 1957
Linhystera Juario, 1974
Manganonema Bussau, 1993
Mesotheristus Wieser, 1956
Metadesmolaimus Schuurmans Stekhoven, 1935
Omicronema Cobb, 1920
Paramonohystera Steiner, 1916
Promonhystera Wieser, 1956
Prorhynchonema Gourbault, 1982
Pseudosteineria Wieser, 1956
Retrotheristus Lorenzen, 1977
Rhynchonema Cobb, 1920
Scaptrella Cobb, 1917
Spiramphinema Wieser, 1956
Steineria Micoletzky, 1922
Stylotheristus Lorenzen, 1977
Theristus Bastian, 1865
Valvaelaimus Lorenzen, 1977
Xenolaimus Cobb, 1920
Xyala Cobb, 1920

Literature

basis of record	Nemaslan: Biodiversity of Antarctic Nematodes (2004).
additional source	Various Authors (2000). Nematode filing cabinet of the Marine Biology Section Ugent - in combination with the NemasLan Ms-Access database (published on CD-Rom, 2000)
additional source	Danovaro, R.; Gambi, M. C.; Dell'Anno, A.; Corinaldesi, C.; Fraschetti, S.; Vanreusel, A.; Vincx, M.; Gooday, A. J. (2008). Exponential decline of deep-sea ecosystem functioning linked to benthic biodiversity loss. Current Biology. 18(1): 1-8 + supplemental data: S1-S6; 1-16.
additional source	Shirayama, Y. (1992). Studies of meiofauna collected from the Iheya Ridge during the dive 541 of the "SHINKAI 2000". Proc. JAMSTEC symp. deep Sea Research. 8, 287-291.
additional source	Pastor de Ward, C. T. (1985). Nematodes de la Ria Deseado (Monhysteroidea, Xyalidae), Santa Cruz, Argentina. II. Physis. Secc. A, 43 (105): 113 - 130.
additional source	Shirayama, Y.; Ohta, S. (1990). Meiofauna in a cold-seep community off Hatsushima, central Japan. Journal of the Oceanographical Society of Japan. 46(3): 118-124.
additional source	Tchesunov, A. V. (2008). Three new species of free-living nematodes from the South-East Atlantic Abyss (DIVA I Expedition). Zootaxa. 1866 151-174.
additional source	Lorenzen, S. (1979). The system of the monhysteroidea (Nematodes)- A new approach. Annales Soc. r. Zool. Belg. 108 (1-2): 21-22.
additional source	Danovaro, R.; Gambi, C.; Lampadariou, N.; Tselepides, A. (2008). Deep-sea nematode biodiversity in the Mediterranean basin: testing for longitudinal, bathymetric and energetic gradients. Ecography. 31(2): 231-244.
taxonomy source	Venekey, V.; Gheller, P. F.; Maria, T. F.; Brustolin, M. C.; Kandratavicius, N.; Vieira, D. C.; Brito, S.; Souza, G. S.; Fonseca, G. (2014). The state of the art of Xyalidae (Nematoda, Monhysterida) with reference to the Brazilian records. Marine Biodiversity. 44(3): 367-390.
taxonomy source	Tu, N.D.; Thanh Nguyen Vu; Smol, N.; Vanreusel, A. (2008). New genus Asymmelaimus gen. n., sp. n. and new marine nematode species of the subfamily Dorylaimopsinae de Coninck, 1965 (Comesomatidae Filipjev, 1918) from Halong Bay, Vietnam. Russian Journal of Nematology. 16 (1), 7-16.
taxonomy source	Schmidt-Rhaesa, A. (Ed.). (2014). Handbook of Zoology. Gastrotricha, Cycloneuralia and Gnathifera: 2. Nematoda. Handbook of Zoology (2010) Walter De Gruyter: Berlin. 759 pp.
taxonomy source	De Ley, P.; Blaxter, M. L. (2004). A new system for Nematoda: combining morphological characters with molecular trees, and translating clades into ranks and taxa. Nematology Monographs & Perspectives - Proceedings of the Fourth International Congress of Nematology 8 - 13 June 2002, Tenerife, Spain. 2: 633-653.
taxonomy source	Tchesunov, A. V.; Miljutin, D. M. (2006). Three new free-living nematode species (Monhysterida) from the Arctic abyss, with revision of the genus Eleutherolaimus Filipjev, 1922 (Linhomoeidae). Russian Journal of Nematology. 14(1): 57-75.
ecology source	Vanreusel, A., M. Vincx, D. Van Gansbeke & W. Gijselinck, W. (1992). Structural analysis of the meiobenthos communities of the shelf break area in two stations of the Gulf of Biscay (N.E. Atlantic). Belgian Journal of Zoology. 122(2):185-202.

Genbank

Taxonomy

NeMys

Citation

Nemys eds. (2025). Nemys: World Database of Nematodes. Xyalidae Chitwood, 1951. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:2190

Dr. Vlada Peneva. Xyalidae Chitwood, 1951. Accessed through: Fauna Europaea at https://portal.cybertaxonomy.org/fauna-europaea/cdm_dataportal/taxon/0f4e1a35-b4ae-4cac-872c-aef60c8efe0e