Astrapaeus

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: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Staphylinoidea

Familia: Staphylinidae
Subfamilia: Staphylininae
Tribus: Staphylinini
Subtribus: Cyrtoquediina
Genus: Astrapaeus
Species (1): A. ulmi
Name

Astrapaeus Gravenhorst, 1802: 199

Type species: Staphylinus ulmi Rossi, 1790, fixed by monotypy.

Synonymy

Systolastes Gistel, 1856: 388 [without description]
Type species: Staphylinus ulmi Rossi, 1790, fixed by monotypy.

References
Primary references

Gravenhorst, J.L.C., 1802: Coleoptera Microptera Brunsvicensia nec non exoticorum quotquot exstant in collectionibus entomologorum Brunsvicensium in genera familias et species distribuit. lxvi + 206 pp. Brunsuigae: Carolus Reichard. BHL [original description: p. 199]

Additional references

Pietrykowska-Tudruj, E. et al. 2014: Immature stages and phylogenetic importance of Astrapaeus, a rove beetle genus of puzzling systematic position (Coleoptera, Staphylinidae, Staphylinini). Contributions to zoology 83(1): 41–65. Abstract and full article (PDF) Reference page.