Kawekaweau
The kawekaweau (Hoplodactylus delcourti), also commonly known as Delcourt's sticky-toed gecko or Delcourt's giant gecko, is a species of lizard which was by far the largest of all geckos with a snout-...
Guadeloupe Ameiva
The Guadeloupe ameiva (Ameiva cineracea) was a species of Teiidae lizard that was endemic to Guadeloupe. It is known from specimens collected by early European explorers. The fossil record shows tha...
Burnt-tailed barb
Balantiocheilos ambusticauda (the burnt-tailed barb or Siamese bala-shark) is a possibly extinct freshwater fish species from the Cyprinidae family. It is or was endemic to the Mae Klong and Chao Phra...
Macroscincus
Macroscincus coctei, also called the Cape Verde giant skink, lagarto, or Cocteau's skink, is a species of lizard, a reptile that was at one time known to inhabit the islets of Branco and Raso in the C...
Macroscincus - Wikipedia
Hemigrapsus estellinensis
Hemigrapsus estellinensis is an extinct species of crab, formerly endemic to the Texas Panhandle. It was discovered by Gordon C. Creel in 1962 and was probably already extinct before his description w...
Hemigrapsus estellinensis - Wikipedia
Pentagenia robusta
Robust Burrowing Mayfly, Pentagenia robusta was a mayfly in the family Ephemeridae. It was endemic to the United States, found in the states Indiana, Kentucky, Minnesota and Ohio.It was known only fro...
Spiny-knee leaf frog
The spiny-knee leaf frog, Phrynomedusa fimbriata, is a presumably extinct species of frog in the Hylidae family. While it might still exist, having only been found once in the 1920s, it has not been f...
Puerto Rican flower bat
The Puerto Rican flower bat (Phyllonycteris major) is an extinct species of bat from the family Phyllostomidae (leaf-nosed bats). It was endemic to Puerto Rico and is known only from subfossil skeleta...
Whiteline topminnow
The whiteline topminnow, Fundulus albolineatus, was a type of killifish first identified in 1891. It was endemic to Big Spring, Madison County, Alabama, in the United States.
Stygobromus lucifugus
Stygobromus lucifugus is an extinct species of amphipod crustacean in the family Crangonyctidae. It was first described by Oliver Perry Hay who found it living in a well near Abingdon, Knox County, Il...
Rhinodrilus fafner
Rhinodrilus fafner is a presumed extinct giant earthworm from the family Glossoscolecidae. It is only known by the ill-preserved holotype discovered in 1912 near Belo Horizonte in the Brazilian state ...
Pantanodon madagascariensis
Pantanodon madagascariensis was a species of fish in the Poeciliidae family. It was endemic to Madagascar. Its natural habitats were rivers and swamps. It became extinct due to habitat loss.
Acorn pearly mussel
The acorn pearly mussel or acornshell, Epioblasma haysiana, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the pearly mussels, Naiads or unionids. This species...
Xerces Blue
The Xerces blue (Glaucopsyche xerces) is an extinct species of butterfly in the gossamer-winged butterfly family, Lycaenidae. The species lived in coastal sand dunes of the Sunset District of San Fran...
Xerces Blue - Wikipedia
Gökçe Balığı
The Beyşehir bleak (Alburnus akili), known in Turkish as gökçe balığı, was a species of freshwater fish in the Cyprinidae family, now presumed extinct.The Beyşehir bleak was endemic to Lake Beyşehir i...
Syncaris pasadenae
Syncaris pasadenae was a species of shrimp in the family Atyidae, which is believed to be extinct.It lived in the drainage basin of the Los Angeles River, near Pasadena, San Gabriel and Warm Creek, an...
Pseudophilautus nasutus
Pseudophilautus nasutus (commonly known as the sharp-snout pygmy tree frog) was a species of frog in the Rhacophoridae family.It was endemic to Sri Lanka where it is extinct, though it might occur o...
Pseudophilautus nasutus - Wikipedia
Afrocyclops pauliani
Afrocyclops pauliani is an extinct species of copepod in the family Cyclopidae. A single specimen was discovered in 1951 in a small freshwater pool near Antananarivo, Madagascar, but the species not b...
Afrocyclops pauliani - Wikipedia
Grass Valley speckled dace
The Grass Valley speckled dace (Rhinichthys osculus reliquus) occurred in a single spring-fed creek in a grassy meadow in eastern Lander County, Nevada. Specimens were collected only once, in 1938. Th...
Clear Lake splittail
The Clear Lake splittail (Pogonichthys ciscoides) was endemic to California's Clear Lake and its tributaries until its numbers severely declined due to competition from the introduced bluegill and alt...
Rocky Mountain locust
The Rocky Mountain locust (Melanoplus spretus) is an extinct locust species that ranged through the western half of the United States and some western portions of Canada until the end of the 19th cent...
Rocky Mountain locust - Wikipedia
Yellowfin cutthroat trout
The yellowfin cutthroat trout (Oncorhynchus clarkii macdonaldi) is an extinct subspecies or variety of the cutthroat trout, a North American freshwater fish.
At the end of the last ice-age boulder...
Cyprinus yilongensis
Cyprinus yilongensis is an extinct species of ray-finned fish in the Cyprinidae family.It was found only in China.
Viola cryana
Viola cryana, the Cry Violet, also known as Cry Pansy, is an extinct plant species from the violet genus Viola which was endemic to the French Department Yonne. Vioala cryana was discovered in 1860 bu...
Pseudophilautus temporalis
Pseudophilautus temporalis was a species of frog in the Rhacophoridae family.It was endemic to Sri Lanka.
Pseudophilautus temporalis - Wikipedia
Adiantum lianxianense
Adiantum lianxianense was a fern species in the Vittarioideae subfamily of the Pteridaceae. It was endemic to Guangdong. Its natural habitat was subtropical or tropical moist lowland forests. It beca...
Cutthroat trout
The cutthroat trout (Oncorhynchus clarkii) is a fish species of the family Salmonidae native to cold-water tributaries of the Pacific Ocean, Rocky Mountains, and Great Basin in North America. As a mem...
Cutthroat trout - Wikipedia
Chytridiomycosis
Chytridiomycosis is an infectious disease of amphibians, caused by the chytrid Batrachochytrium dendrobatidis, a nonhyphal zoosporic fungus. Chytridiomycosis has been linked to dramatic population de...
Chytridiomycosis - Wikipedia