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Taxonavigation: Bostrichoidea 

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: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Bostrichiformia
Superfamilia: Bostrichoidea

Familia: Ptinidae
Subfamilia: Eucradinae
Tribus: Eucradini
Genus: Eucrada
Species (3): E. humeralis – E. robusta – †E. macleani






  • Abdullah, M. & Abdullah, A. 1967. Crichtonia macleani, a new genus and species of the Hedobiini (coleoptera: Anobiidae) from the Baltic amber. Entomological news 78: 23–27. BHL
  • Taxonomic notes on North American Anobiidae (Coleoptera).
  • VanDyke, E.C. 1918: Some new beetles in the families Cantharidae (Lampyridae), Ptinidae, and Scarabaeidae, from western North America, with notes upon others. Bulletin of the Brooklyn Entomological Society (n.s.), 13: 1–15. BHL
  • White, R.E. 1969: On Crichtonia, described as a new fossil genus of Anobiidae (Coleoptera). Proceedings of the Entomological Society of Washington, 71(4): 597. BHL