Lob
- Lobethelum
- Lobiactaea
- Lobitella
- Lobithelphusa
- Lobocepon
- Lobodillo
- Lobopilumnus
- Loboscia
- Lobothelphusa
- Lobothorax
Loc
- Locustogammarus
Lok
- Loki
Lon
- Lonchodactylus
- Longiflagrum
- Longipedia
- Longipediidae
- Longipediidae
- Longipedis
- Longithorax
Lop
- Lophaxius
- Lophogaster
- Lophogastrida
- Lophogastridae
- Lopholithodes
- Lophomastix
- Lophopagurus
- Lophopanopeus
- Lophopilumnus
- Lophoplax
- Lophopotamon
- Lophorochinia
Lophosquilla Manning, 1968
- Lophosquilla costata (de Haan, 1844)
- Lophosquilla makarovi Manning, 1995
- Lophosquilla tiwarii Blumstein, 1974
Crustacea → Malacostraca → Stomatopoda → Squilloidea → Squillidae
- Lophothrix
- Lophoura
- Lophoxanthus
- Lophozozymus
- Lopiceros
Lor
- Lordocythere
- Loricoecia
Lou
- Louisea
- Loureirophonte
- Lourinia
- Louriniidae
- Louriniidae
Lox
- Loxoconcha
- Loxoconchella
- Loxoconchidae
- Loxoconchidae
- Loxoconchidea
- Loxocythere
- Loxorhynchus
- Loxothylacus