1. Mastodon of North America; in some classifications considered a mammoth rather than a mastodon
   - American mastodon, American mastodont

Type of: mastodon, mastodont

Part of: genus Mammut, genus Mastodon, Mammut

Encyclopedia: Mammut americanum

• family Scarabaeidae
• family Scaridae
• family Scheuchzeriaceae
• family Schistosomatidae
• family Schizaeaceae
• family Schizophyceae
• family Schizosaccharomycetaceae
• family Sciadopityaceae
• family Sciaenidae
• family Sciaridae
• family Scincidae
• family Sciuridae
• family Sclerodermataceae
• family Sclerotiniaceae
• family Scolopacidae
• family Scolytidae
• family Scomberesocidae
• family Scombresocidae
• family Scombridae
• family Scorpaenidae
• family Scrophulariaceae
• family Scutigeridae
• family Scyliorhinidae
• family Secotiaceae
• family Selaginellaceae