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The Anatidae are the biological family of water birds that includes ducks, geese, and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica. These birds are adapted for swimming, floating on the water surface, and in some cases diving in at least shallow water. The family contains around 174 species in 43 genera.
This page features lists of species and organisms that have become extinct. The reasons for extinction range from natural occurrences, such as shifts in the Earth's ecosystem or natural disasters, to human influences on nature by the overuse of natural resources, hunting and destruction of natural habitats.
Salminops is an extinct genus of prehistoric bony fish that lived during the Cenomanian known from USA and Portugal.
Prymnetes is an extinct genus of prehistoric bony fish that lived during the Late Cretaceous epoch.
Oligopleurus is an extinct genus of prehistoric bony fish that lived during the Kimmeridgian stage of the Late Jurassic epoch.
Aphnelepis is an extinct genus of prehistoric bony fish that lived during the Middle Jurassic epoch.
Leptolepides is an extinct genus of prehistoric ray-finned fish that lived during the early Tithonian stage of the Late Jurassic epoch.
Ecrinesomus is an extinct genus of prehistoric bobasatraniiform ray-finned fish that lived during the Induan age of the Early Triassic epoch in what is now Madagascar.
Eurycormus is an extinct genus of prehistoric bony fish that lived from the Callovian stage of the Middle Jurassic epoch to the early Tithonian stage of the Late Jurassic epoch.
Ptycholepis is an extinct genus of prehistoric ray-finned fish having the head and opercular bones ornamented with ridges of ganoin, minute teeth, and thick scales.
Litoptychius is an extinct genus of prehistoric bony fish.
Naxilepis is an extinct genus of prehistoric bony fish.
Notelops is an extinct genus of prehistoric ray-finned fish.
Orvikuina is an extinct genus of prehistoric bony fish.
Pholidoctenus is an extinct genus of prehistoric ray-finned fish.
Pholidolepis is an extinct genus of prehistoric ray-finned fish.
Pholidophoroides is an extinct genus of prehistoric ray-finned fish.
Pholidophoropsis is an extinct genus of prehistoric ray-finned fish.
Studeria is a genus of sea urchins in the family Neolampadidae.
The following are lists of prehistoric animals:
