Extinct Marine Animals List. The following are lists of extinct animals: List of extinct animals of catalonia;
This list of endangered species of marine animals includes many precious marine animals. Though the species is deemed extinct in the wild, it was conserved in wildlife sanctuaries in northeast brazil. List of extinct animals extinct an animal species is considered extinct after the last existing member of the species dies.
A fossil species of the sirenia has been found on palawan and went extinct during the miocene.
According to the international recovery committee, there are about 60 of these animals left. After all, the oceans are vast and deep. The list of species that have gone extinct, directly or indirectly, because of homo sapiens is immense, and requires constant updating. Extinction of taxa is difficult to confirm, as a long gap without a sighting is not definitive, but before 1995 a threshold of 50 years without a sighting was used to declare.