All 19 ocean extinctions, here only

No scientific paper, book or website has an updated list of historical extinctions in the ocean, so here it is. If you wish to read my paper about this topic or provide updates for this list, contact me or post a comment here.

Enjoy the link for 17 species to a listing on the IUCN Red List, the international record of modern extinctions and threats. Two listings refer to scientific articles.


First IUCN note; other

Year likely extinct


4 Mammals 3 in U.S.
Steller’s Sea Cow Hydrodamalis gigas 1986 1768 Bering Sea, U.S.
Sea mink Neovison macrodon 2002 1860 Coastal NE America
Caribbean Monk Seal Monachus tropicalis 1982 1952 Caribbean Sea
Japanese Sea Lion Zalophus japonicus 1986 1950s NW Pacific
2 Fish 0 in U.S.
New Zealand grayling Prototroctes oxyrhynchus 1986 1930s New Zealand
Green Wrasse Anampses viridis 2010 ? Mauritius
7 Birds 1 in U.S.
Great Auk Pinguinus impennis 1988 1852 N Atlantic
Labrador Duck Camptorhynchus labradorius 1988 1875 Coastal NE America
Large St Helena Petrel Pterodroma rupinarum 1988 1500s St Helena Island
Small St Helena Petrel Bulweria bifax 1988 1500s St Helena Island
Pallas’s Cormorant Phalacrocorax perspicillatus 1998 1950s Russia’s Komandorski Islands
Auckland Islands Merganser Mergus australis 1988 1910 New Zealand
Canary Islands Oystercatcher Haematopus meadewaldoi 1994 1940s E. Canary Islands
4 Invertebrates 2 in U.S.
Eelgrass limpet Lottia alveus 1994 ? U.S.
Rocky shore limpet Collisella edmitchelli 1996 1860s U.S.
Periwinkle Littoraria flammea 1996 1840 China
Horn Snail Cerithidea fuscata Regnier 2009 1935 U.S.
2 Plants     0 in U.S.
Bennett’s seaweed Vanvoorstia bennettiana 2003 1890s Sydney, Australia
Turkish towel algae Gigartina australis Monte-Luna 2007 ? Sydney, Australia

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