(subclass Crustacean Arthropod) | Merge.kif 14587-14587 | Crustacean is a subclass of arthropod |
(subclass Prawn Crustacean) | Food.kif 1968-1968 | Shrimp is a subclass of crustacean |
(subclass Crab Crustacean) | Food.kif 2542-2542 | Crab is a subclass of crustacean |
(subclass Lobster Crustacean) | Food.kif 2651-2651 | Lobster is a subclass of crustacean |