Gnathymenus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Staphylinoidea

Familia: Staphylinidae
Subfamilia: Paederinae
Tribus: Paederini
Subtribus: Dolicaonina
Genus: Gnathymenus
Species: G. abscisus – G. angulus – G. apterus – G. arboreus – G. ascus – G. avisoideus – G. bellavistae – G. bicolor – G. bobelus – G. brerus – G. buganus – G. catillus – G. cleofanus – G. clinus – G. crucifer – G. culebrus – G. detectus – G. distinctus – G. divisus – G. falcatus – G. fiscus – G. flatrus – G. garus – G. geocus – G. gomphus – G. hamulus – G. hoppi – G. hyllus – G. intermedius – G. kapetus – G. kestrus – G. klimai – G. limus – G. lirellus – G. mergus – G. multiplicus – G. nacodus – G. nutatus – G. obesus – G. pandus – G. patulus – G. penicillatus – G. pipus – G. plancus – G. prolixus – G. proximus – G. quadripartitus – G. radulus – G. raius – G. ramosus – G. rossii – G. rufoniger – G. scoliodontus – G. setosus – G. siagonus – G. sifrus – G. sinatus – G. somphus – G. spereus – G. spinifer – G. spirus – G. stipulatus – G. stubbus – G. testaceus – G. tungus – G. twapicus – G. twelfus – G. umbus – G. virgosus – G. volcanus – G. zarzus
Name

Gnathymenus Solier, 1849: 326

Type species: Gnathymenus apterus Solier, 1849 fixed by monotypy.

Synonymy

Lithocaon Sharp, 1886: 555 [synonym in Herman 1981]
Type species: Lithocaon sparsus Sharp, 1886, fixed by monotypy.
Litozoon Bierig, 1939: 176 [synonym in Herman 1981]
Type species: Litozoon progenitor Bierig, 1939, fixed by original designation.
Xanthornobium Scheerpeltz, 1967: 237 [synonym in Herman 1981]
Type species: Xanthornobium vogelsangi Scheerpeltz, 1967, fixed by original designation.
Gnathymenus (Macrognathymenus) Coiffait & Sáiz, 1968: 374 [synonym in Herman 1981]
Type species: Gnathymenus obesus Fauvel, 1867, fixed by monotypy.

References
Primary references

Solier, A.J.J., 1849: Orden III. Coleopteros, In, Gay, Historia fisica y politica de Chile segun documentos adquiridos en esta republica durante doce años de residencia en ella y publicada bajo los auspicios del supremo gobierno. Vol. 4, pp. 105-380, 414-511. BHL [original description: p. 326]

Additional references

Assing, V. 2013. Two new species and a new record of Dolicaonina from Ecuador (Coleoptera: Staphylinidae: Paederinae). Linzer biologische Beiträge 45(2): 1541–1547. PDF Reference page.
Assing, V. 2017. Two new species of Gnathymenus from Ecuador (Coleoptera: Staphylinidae: Paederinae: Dolicaonina). Linzer biologische Beiträge 49(2): 1023–1028. PDF Reference page.