Phylogenetic and evolutionary research has helped to connect the relationship of extinct animals with the surviving organisms, and its nomenclature is similar to the other organisms.
Some of the lists of the scientific names of extinct animals are as follows:
| Common Name | Scientific Name |
| Passenger pigeon | Ectopistes migratorius |
| Tasmanian tiger | Thylacinus cynocephalus |
| Moa | Dinornithiformes |
| T-Rex | Tyrannosaurus rex |
| Dolphin | Lipotes vexillifer |