Leptinillus

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:Leiodidae
Subfamilia: Platypsyllinae
Genus: Leptinillus
Species (2): L. aplodontiae – L. validus
Name

Leptinillus Horn, 1882. Type species: Leptinus validus Horn, 1872, by monotypy.
References

Peck, S.B. 2007: Distribution and biology of the ectoparasitic beetles Leptinillus validus (Horn) and L. aplodontiae Ferris of North America (Coleoptera: Leiodidae: Platypsyllinae). Insecta Mundi, 0003: 1–7. [1]

Leptinillus is a genus of mammal-nest beetles in the family Leiodidae. There are at least 2 described species in Leptinillus.[1][2]
Species

Leptinillus aplodontiae Ferris, 1918
Leptinillus validus (Horn, 1872) (beaver nest beetle)

References

"Leptinillus Genus Information". BugGuide.net. Retrieved 3 February 2018.

"Leptinillus Report". Integrated Taxonomic Information System. Retrieved 3 February 2018.

Majka C, Langor D (2008). "The Leiodidae (Coleoptera) of Atlantic Canada: new records, faunal composition, and zoogeography". ZooKeys 2: 357–402.
Peck, Stewart B. (2007). "Distribution and biology of the ectoparasitic beetles Leptinillus validus (Horn) and L. aplodontiae Ferris of North America (Coleoptera: Leiodidae: Platypsyllinae)". Insecta Mundi, no. 0003, 1–7.
Peck, Stewart B. / Arnett, Ross H. Jr. and Michael C. Thomas, eds. (2001). "Family 19. Leiodidae Fleming, 1821". American Beetles, vol. 1: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia, 250–258.