• the extinct spider Eoplectreurys is the oldest described genus of Haplogynae, predating spiders from Cretaceous amber in Jordan and Lebanon?
• the extinct sweat bee Augochlora leptoloba is known from a single specimen now in a private collection in Turin, Italy?
• the extinct Chamaecyparis eureka is the oldest confirmed member of the genus Chamaecyparis?
• the extinct species of Edaphodon, a type of rabbitfish related to the shark, grazed along the bottom of the ocean like land-dwelling herbivores do now?
• the extinct Pliocene dolphin Australodelphis from the Vestfold Hills of Antarctica has been described as an example of convergent evolution with whales?
• the extinct fir species Abies milleri, known from Early Eocene fossils (pictured) found in Ferry County, Washington, is considered the oldest confirmed record for the fir genus?
• the extinct Lotus Nelumbo aureavallis is known from Eocene rocks in western North Dakota?
• the extinct plant genus Dillhoffia cannot be placed into a flowering plant family at this time?
• the Ascension Island parsley fern was considered extinct until four plants were recently discovered on Ascension Island?
• the primary leaf veins for the extinct plant Trochodendron nastae are palmate rather then being pinnate like those in the living Trochodendron aralioides?
• the white French wine grape Baroque was nearly extinct before restaurateur Michel Guérard revived the variety at his estate?
• unlike its modern-day relative the gharial, the extinct crocodilian Aktiogavialis lived in saltwater?
• the only male "sweat bee" to have been documented from Dominican amber is the type specimen for the extinct Eickwortapis?
• the largest known ovules produced by any non-flowering seed-plant came from the Medullosales (fossilized leaves pictured), an order of extinct seed ferns?
• the Hare Indian dog, now extinct, was not known to bark, but puppies learned to imitate the barking of other dogs when the breed was introduced to Europe?
• the rodents of the Caribbean include the hutias (pictured) and two extinct species: the bear-sized Amblyrhiza and the cat-sized Megalomys desmarestii?
• the extinct crocodile-like Prionosuchus is the largest amphibian known to have existed?
• the extinct coral Coelosimilia is the first known example of a scleractinian coral to have a skeleton not composed of the mineral aragonite?
• after the holotype specimen of the Robust redhorse (pictured) was lost in the 1800s, the fish was thought to have become extinct until its rediscovery in 1991?
• all species of the New Zealand parrot family Nestoridae (Kākā pictured) are either endangered or have gone extinct due to human activity?
• although the extinct Norfolk Island Boobook was last sighted in 1996, its genes live on in the hybrid descendants of the last living female bird?
• a fossil flower of the extinct palm Roystonea palaea shows damage possibly made by a bat or bird?
• Salvia pentstemonoides ("Big red sage") was thought to be extinct until a botanist rediscovered it while taking photos for a book on Texas wildflowers?
• Akanthosuchus, an extinct crocodilian from the Paleocene, is the only known crocodilian with both spiked and bladed armor?
• Megalictis ferox, a species of extinct predatory mustelid, resembled a modern wolverine but with three times the body mass?
• it has been suggested the extinct palm genus Palaeoraphe was restricted to the Greater Antilles?
• it took just over 20 years to finish developing the Lamona breed of chicken, but it was nearly extinct by the 1980s?
• skeletons of many now-extinct animals, including saber-toothed cats (pictured) and dire wolves, have been recovered from the tar pit in McKittrick Oil Field in Kern County, California?
• the extinct arachnid Attercopus was once considered as the world's oldest spider?
• the extinct Australian dromornithids, which included the largest birds known, are related to ducks and geese?
• seeds of the extinct Paleocene pine Pinus peregrinus are most similar to those of the modern red pine and tropical pine?
• one of the specimens used to describe the extinct turtle Cearachelys was actually procured eight years prior to it being formally described in 2001?
• of the 34 amphibians that became extinct in last 500 years, 19 were from Sri Lanka?
• of the major historic Snake River salmon stocks in the Blue Mountains ecoregion, the coho and sockeye are extinct, the chinook are threatened, and the summer steelhead are in decline?
• megaherbs on the uninhabited New Zealand sub-antarctic islands almost became extinct by overbrowsing by livestock introduced to support shipwrecked sailors?

Facts on topics related to Extinct

Endangered species

• conifer Torreya taxifolia was one of the first plant species listed as endangered in the United States?
• construction for the bobsleigh, luge, and track to be used for the 2014 Winter Olympics has been delayed due to high downhill grades and location near a World Heritage Site, including near an endangered species of brown bear?
• conservation reliant species, which require continuing wildlife management interventions for their survival, comprise 80% of endangered species in the US?
• hydrological transport models are computer simulations analyzing the movement of water pollution in rivers, and have played a role in aiding endangered species?
• Madagascar dry deciduous forests (such as Anjajavy Forest, pictured right) contain many endangered and endemic species of lemurs, boas, and chameleons?
  
• Yreka phlox, an endangered flowering plant that grows in serpentine soil, is the official city flower of Yreka, California?
• phumdis (example pictured), exclusive to Loktak Lake, are masses of decaying vegetation forming Keibul Lamjao National Park, the world’s only floating park and a preservation area for endangered Eld's Deer, in Manipur, India?
• Piperia yadonii is a rare and endangered species of wild orchid whose survival may be influenced by the demand for increased golfing on the Monterey Peninsula?
• Sonoma Creek (pictured), a California-designated critical coastal watershed, drains the acclaimed Sonoma Valley Wine Country, and provides a home to many endangered species?
• Acanthomintha duttonii is an endangered wildflower that is found only in a six mile long strip on the San Francisco Peninsula?