Definition that contains family lamnidae
- isuridae in some classifications another name for the family Lamnidae
- alopius type genus of the family Alopiidae; in some classifications considered a genus of the family Lamnidae
- family isuridae in some classifications another name for the family Lamnidae
- genus alopius type genus of the family Alopiidae; in some classifications considered a genus of the family Lamnidae