Well, just look at the classification below.
Shrimp is in a class of it’s own – Malacostraca – Bad cost tracking! :
Domain = Eucarya
Kingdom = Animalia
Phylum = Anthropoda
Subphylum = Crustacea
Class = Malacostraca
Subclass = Eumalacostraca
Superorder = Eucarida
Order = Decapoda
Suborder = Dendrobranchiata
Super Family = Penaeoidea
Family = Penaeidae
Genus = Penaeus
Species = vannamei