| order | extinct order of jawless vertebrates |
|---|---|
| order | comprises a single genus: Andreaea |
| order | elongate fishes with pelvic fins and girdle absent or reduced |
| order | sucking lice |
| order | small aquatic crustaceans lacking a carapace: fairy shrimps |
| order | ducks |
| order | hornworts |
| order | frogs, toads, tree toads |
| order | includes chiefly saprophytic fungi typically with shelflike bodies |
| order | an order of Amphineura |
| order | elongate fishes with pelvic fins and girdle absent or reduced |
| order | swifts |