1. A 2008 study suggests that this family belongs to the Pelecaniformes . 2. The Sulae were traditionally included in the Pelecaniformes in its obsolete paraphyletic circumscription. 3. Like other birds in the order Pelecaniformes , they have four webbed toes. 4. Of those apparently basal taxa, the following show some similarities to the traditional Pelecaniformes : 5. Their feet are four-toed and webbed, a distinguishing feature among the Pelecaniformes order 6. Aequornithes includes the clades Gaviiformes, Sphenisciformes, Procellariiformes, Ciconiiformes, Suliformes and Pelecaniformes . 7. Their feet are four-toed and webbed, a distinguishing feature among the Pelecaniformes order. 8. Their feet are four-toed and webbed, a distinguishing feature of the Pelecaniformes order. 9. As with other members of the order Pelecaniformes , they have webbed feet with four toes. 10. This is a "'list of Pelecaniformes species by global population " '.
