Rhynchonema Cobb 1920

Genus Rhynchonema Cobb, 1920 Diagnosis (from Fonseca & Bezerra 2014) Xyalidae. Cuticle coarsely striated. Amphideal fovea placed over or very close to the end of pharyngostome. Buccal cavity in two parts: cheilostome, short anterior chamber, at the level of cephalic setae; pharyngostome, a narrow tubular part extending along the cervical region. Males with two testes. Type species: Rhynchonema cinctum Cobb, 1920 List of valid species of Rhynchonema R. amakusanum Aryuthaka, 1989 R. ambianorum Boucher, 1974 R. annulatum Tauheed & Ahmad, 2017 R. brevituba Gerlach, 1953 R. cemae Bezerra, Smol & Vincx, 2014 R. ceramotos Boucher, 1974 R. chiloense Lorenzen, 1975 R. cinctum Cobb, 1920 R. collare Nicholas & Stewart, 1995 R. deconincki Vitiello, 1967 R. dighaensis Datta, Navarrete & Mohapatra, 2015 R. dispar Gourbault, 1982 R. falciferum Boucher, 1974 R. fossum Lorenzen, 1975 R. gerlachi Vitiello, 1967 R. hirsutum Hopper, 1961 R. impar Lorenzen, 1975 R. kikuchii Aryuthaka, 1989 R. longituba Gerlach, 1953 R. lorenzeni Tauheed & Ahmad, 2017 R. lyngei (Allgén, 1940) Gerlach, 1953 R. megamphidum Boucher, 1974 R. moorea Boucher, 1974 R. ornatum Lorenzen, 1975 R. quemer Boucher, 1974 R. scutatum Lorenzen, 1972 R. semiserratum Lorenzen, 1975 R. separatum Lorenzen, 1975 R. siddiqii Tauheed & Ahmad, 2017 R. sieverti Gourbault, 1982 R. subsetosum Murphy, 1964 R. tomakinense Nicholas & Stewart, 1995 R. tremendum Lorenzen, 1975 R. veronicae Bezerra Smol & Vincx, 2014 R. xiamenensis Huang & Liu, 2002