Main Page | See live article | Alphabetical index Lamniformes Scientific classification Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Lamniformes Families Odontaspididae (sand tigers) Mitsukurinidae (goblin shark) Pseudocarchariidae (crocodile shark) Megachasmidae (megamouth shark) Alopiidae (thresher sharks) Cetorhinidae (basking shark) Lamnidae (mackerel sharks) Lamniformes is an order of sharks commonly known as the mackerel sharks. It includes some of the most familiar species of sharks, such as the great white shark, and some extremely rare types, such as the megamouth shark. Characteristics of the order include: two dorsal fins, an anal fin, five gill slits, eyes without nictitating membrane, and mouth extending behind the eyes. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.