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As of September 2016, the International Union for Conservation of Nature (IUCN) lists 65 extinct fish species, 87 possibly extinct fish species, and six extinct in the wild fish species. [ 1 ] [ 2 ] Cartilaginous fish
A species is declared extinct after exhaustive surveys of all potential habitats eliminate all reasonable doubt that the last individual of a species, whether in the wild or in captivity, has died. [15] Recently extinct species are defined by the IUCN as becoming extinct after 1500 CE. [1]
The following marine reptiles are species which are currently extant or recently extinct. Crocodiles. Crocodylus;
A fossil jawbone found by a British girl and her father on a beach in Somerset, England belongs to a gigantic marine reptile dating to 202 million years ago that appears to have been among the ...
Arthropod species (IUCN, 2016-2) 9470 extant species have been evaluated; 6580 of those are fully assessed [a] 4478 are not threatened at present [b] 2100 to 4990 are threatened [c] 83 to 169 are extinct or extinct in the wild: 81 extinct (EX) species [d] 2 extinct in the wild (EW) 86 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR ...
From coral reefs to river dolphins, these 20 marine species have their days numbered. ... Gray Whales & 19 Other Marine Species That Could Go Extinct by 2050. Jennifer Magid. June 28, 2024 at 1:15 ...
As of February 2021, the International Union for Conservation of Nature (IUCN) lists 299 extinct species, 149 possibly extinct species, 14 extinct in the wild species, two possibly extinct in the wild species, eight extinct subspecies, one possibly extinct subspecies, and five extinct in the wild subspecies of mollusc. [1]
Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. [1] This list follows the Society's taxonomy regarding and subspecies.