Category
page 1Species known from a single specimen
Namdapha flying squirrel
species of mammal
Negros Fruit Dove
species of bird
Spotted green pigeon
extinct pigeon species
Chlorostilbon bracei
species of bird
Sumatran flying squirrel
species of mammal
Nechisar Nightjar
species of bird
Prigogine's Nightjar
species of bird
Riccordia elegans
species of hummingbird
Mauke Starling
species of bird
Siau Scops Owl
Possibly extinct small owl known from a single 1866 specimen.
Petrochelidon perdita
species of bird
Visagie's golden mole
species of mammal
Setopagis maculosa
species of bird
Ilin Island cloudrunner
species of mammal
Sturdee's Pipistrelle
species of mammal
Pteropus brunneus
species of mammal
pocket shark
species of shark
Somali golden mole
species of mammal
Singapore whiskered bat
species of mammal
Rockstone poison dart frog
species of amphibian
Java stingaree
species of fish
Heliangelus zusii
species of bird
Snake River Sucker
species of fish
Aulonocara auditor
species of fish
Lamprologus finalimus
species of fish
Laotian giant flying squirrel
species of mammal
Sympterichthys unipennis
species of fish
Spinilophus armatus
species of fish
Sharpe's Rail
species of bird
Collina glabicira
species of arachnid
Geophis dunni
species of reptile
Saccopharynx berteli
species of fish
Saint Croix racer
species of reptile
Ameles fasciipennis
species of insect
Abronia bogerti
species of reptile
Pita skate
species of fish
Salalah guitarfish
species of fish
Tonga Ground Skink
species of reptile
Brochiraja aenigma
species of fish
Dasyatis ushiei
species of fish
Saccopharynx paucovertebratis
species of fish
Aplatophis zorro
species of fish
Hippocampus paradoxus
species of fish
Chilean round stingray
species of fish
Smalltooth stingray
species of fish
Leptotyphlops leptipileptus
species of reptile
Lucihormetica luckae
giant cockroach species
Anochetus intermedius
species of insect (fossil)
Navassa Curly-tailed Lizard
species of reptile
Bagrus filamentosus
species of fish
Hibiscadelphus wilderianus
species of plant
Capoeta angorae
species of fish
Lioheterophis iheringi
species of reptile
Smalleye whip ray
species of fish
Tarsistes philippii
species of fish
Libythea cinyras
species of insect
Astragalus coarctatus
species of plant
Hyloxalus spilotogaster
species of amphibian
Allen's river garfish
species of fish
Anochetus conisquamis
extinct species of ant