Opisthius

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Coleoptera
Subordo: Adephaga

Familia: Carabidae
Subfamilia: Nebriinae
Tribus: Opisthiini
Genus: Opisthius
Species (1): O. richardsoni
Name

Opisthius Kirby, 1837: 60

Type species: Opisthius richardsoni Kirby, 1837, fixed by monotypy.

References
Primary references

Kirby, W. 1837. The insects. In: Richardson J. (Ed.), Fauna boreali-Americana; or the zoology of the northern parts of British America: containing descriptions of the objects of natural history collected on the late northern land expeditions, under command of Captain Sir John Franklin, RN. Part 4. J. Fletcher, Norwich; 325 + [2] pp., 8 pls. BHL Reference page. [original description: p. 60]

Additional references

Bousquet, Y. & Smetana, A. 1995. A review of the tribe Opisthiini (Coleoptera: Carabidae). Nouvelle revue d'entomologie 12(4): 215–232.

Opisthius richardsoni is a species of beetle in the family Carabidae, the only species in the genus Opisthius.[1]
References

"Opisthius Kirby, 1837". Carabidae of the World. 2011. Retrieved 20 Jul 2011.