- Decapoda, order Decapoda - lobsters; crayfish; crabs; shrimps; prawns
--1 is a kind of animal order
--1 is a member of Malacostraca, subclass Malacostraca
--1 has members: - Decapoda, order Decapoda - squids and cuttlefishes
--2 is a kind of animal order
--2 is a member of
--2 has members:Dibranchiata, subclass Dibranchiata, Dibranchia, subclass Dibranchia decapod; genus Loligo; genus Ommastrephes; genus Architeuthis; Sepiidae, family Sepiidae; Spirulidae, family Spirulidae