Classification of seafood groups causing occupational allergies
| Phylum | Class | Family (common name) |
| Arthropoda | Crustacea | Crabs, lobsters, prawns, shrimp |
| Mollusca | Gastropoda | Abalone |
| Bivalvia | Clams, oysters, mussels | |
| Cephalopoda | Squid (cuttlefish) | |
| Pisces (subphylum Chordata) | Osteichthyes (bony fish) | Salmon, plaice, tuna, hake, cod, herring, sardine, trout, anchovy |