Gasterophilinae

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: Crustacea
Superclassis: Allotriocarida
Classis: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Panorpida
Cladus: Antliophora
Ordo: Diptera
Subordo: Brachycera
Infraordo: Muscomorpha
Sectio: Schizophora
Subsectio: Calyptratae
Superfamilia: Oestroidea

Familia: Oestridae
Subfamilia: Gasterophilinae
Genera: Cobboldia - Gasterophilus - Gyrostigma - Neocuterebra - Ruttenia (Diptera)
Name
References

Li, X-Y., Pape, T. & Zhang, D. 2019. Taxonomic review of Gasterophilus (Oestridae, Gasterophilinae) of the world, with updated nomenclature, keys, biological notes, and distributions. ZooKeys, 891: 119–156. DOI: 10.3897/zookeys.891.38560 Open access Reference page.

The Gasterophilinae are a subfamily of Oestridae which includes large, parasitic flies; this group has historically been treated as a family, but all recent classifications place them firmly within the Oestridae.[1] Many members of this subfamily spend part of their larval stages in the digestive tracts of herbivores. The best known genus is Gasterophilus, which attacks horses, deer, and similar animals. The genus Cobboldia breeds in elephants. The genus Gyrostigma breeds in rhinoceroses.
References

Pape, Thomas (April 2001). "Phylogeny of Oestridae (Insecta: Diptera)". Systematic Entomology. 26 (2): 133–171. doi:10.1046/j.1365-3113.2001.00143.x.