Tremicinae

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Cladus: Pancrustacea
Cladus: Allotriocarida
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Holometabola
Superordo: Hymenopterida
Ordo: Hymenoptera
Subordo: Symphyta
Superfamilia: Siricoidea

Familia: Siricidae
Subfamilia: Tremicinae
Genera (6): Afrotremex – Eriotremex – Siricosoma – Teredon – Tremex – Xeris
References

Schiff, Nathan M., Steven A. Valley, James R. LaBonte and David R. Smith 2006: Guide to the Siricid woodwasps of North America. USDA Forest Service, Morgantown, West Virginia.
Wedmann, S. 1998: First records of fossil tremecine hymenopterans. Palaeontology, 41(5): 929–938. PDF