Philothalpus

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: Staphylininae
Tribus: Staphylinini
Subtribus: Philothalpina
Genus: Philothalpus
Species (27): P. anapodos – P. antennaria – P. asymmetros – P. bicolor – P. bilobus – P. boreios – P. brasiliensis – P. brooksi – P. chloropennis – P. chotaenus – P. ecuadorensis – P. fabiolae – P. falini – P. fervidus – P. juanecoi – P. loksos – P. lucieae – P. mauroprasinus – P. mundus – P. nitidus – P. osanus – P. pecki – P. porphyros – P. portokalis – P. rufus – P. rugosus – P. stravos
Name

Philothalpus Kraatz, 1857: 540

Type species: Philonthus fervidus Erichson, 1840, fixed by subsequent designation by Herman, 2001: 10.

Synonymy

Allostenopsis Bernhauer, 1921: 74
Type species: Stenopsis antennaria Bernhauer, 1907, fixed by autotypy.
Eugastus Sharp, 1876: 139
Type species: Eugastus mundus Sharp, 1876, fixed by subsequent designation by Blackwelder, 1952: 155.
Stenopsis Bernhauer, 1907: 286
Type species: Stenopsis antennaria Bernhauer, 1907, fixed by subsequent designation by Lucas, 1920: 610.

References
Primary references

Kraatz, G. 1857. Naturgeschichte der Insecten Deutschlands. Erste Abtheilung Coleoptera. Zweiter Band. Lieferung 3–6. Berlin: Nicolai, pp. 377–1080. Reference page. [original description: p. 540]

Additional references

Asenjo, A.; Ribeiro-Costa, C.S. 2009: Two new species of the Neotropical genus Philothalpus Kraatz from Peru (Coleoptera, Staphylinidae, Xanthopygina). Zootaxa, 2286: 49–57. Abstract & excerpt
Chatzimanolis, S. 2020. Even more new species, additional records, and a revised key for Philothalpus Kraatz (Coleoptera: Staphylinidae: Staphylininae). Zootaxa 4742(1): 129–138. DOI: 10.11646/zootaxa.4742.1.8. Paywall. Reference page.
Irmler, U. 2019. A new species and new records of the genus Philothalpus Kraatz, 1857 from the Central Amazon with a revised key to the Brazilian species (Coleoptera: Staphylinidae: Philothalpina). Koleopterologische rundschau 89: 115–121. PDF Open access Reference page. [key & remarks on the Brazilian species: p. 118]