The genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Corynorhinus consists of the lump-nosed bats, or American long-eared bats. Only three species occur in the genus, all occurring in North America. Members of this group were previously in the genus Plecotus

Plecotus

The genus Plecotus consists of the lump-nosed bats. Many species in the genus have only been described and recognized in recent years.-Species:Genus Plecotus - Lump-nosed bats*Plecotus ariel*Brown Long-eared Bat, Plecotus auritus...

. Populations of these species are generally uncommon and declining. Two sub-species, the Virginia big-eared bat (C. t. virginianus) and the Ozark big-eared bat

Ozark Big-Eared Bat

The Ozark Big-Eared Bat is one of the five subspecies of Corynorhinus townsendii, a species of vesper bat . Their average lifespan is 15 years. Part of the mating ritual of these bats includes nuzzling heads...

 (C. t. ingens) are federally endangered.

Corynorhinus species are:

• Corynorhinus rafinesquii Rafinesque's big-eared bat
  Rafinesque's Big-eared Bat
  The Rafinesque's Big-Eared Bat is a species of vesper bat in the Vespertilionidae family that occurs in the southeastern United States, and the states of Texas, Oklahoma, Illinois, Indiana and Ohio....
  
  
• Corynorhinus mexicanus Mexican big-eared bat
  Mexican Big-eared Bat
  The Mexican Big-Eared Bat is a species of vesper bat in the Vespertilionidae family.It is found only in Mexico and Arizona.-References:* Arroyo-Cabrales, J. & Reid, F. 2008. . Downloaded on 03 March 2009....
  
  
• Corynorhinus townsendii Townsend's big-eared bat
  Townsend's big-eared bat
  Townsend's Big-Eared Bat is a species of vesper bat in the Vespertilionidae family.- Description :The Townsend's Big-Eared Bat is a medium-sized bat with extremely long, flexible ears and small yet noticeable lumps on each side of the snout. Its upperparts are similar to dark brown on the back,...
  
  
  • C. t.ingens
    Ozark Big-Eared Bat
    The Ozark Big-Eared Bat is one of the five subspecies of Corynorhinus townsendii, a species of vesper bat . Their average lifespan is 15 years. Part of the mating ritual of these bats includes nuzzling heads...
    
    Ozark big-eared bat
    Ozark Big-Eared Bat
    The Ozark Big-Eared Bat is one of the five subspecies of Corynorhinus townsendii, a species of vesper bat . Their average lifespan is 15 years. Part of the mating ritual of these bats includes nuzzling heads...
    
     (endangered)
  • C. t. pallescens Western big-eared bat
  • C. t.townsendii Townsend's big-eared bat
    Townsend's big-eared bat
    Townsend's Big-Eared Bat is a species of vesper bat in the Vespertilionidae family.- Description :The Townsend's Big-Eared Bat is a medium-sized bat with extremely long, flexible ears and small yet noticeable lumps on each side of the snout. Its upperparts are similar to dark brown on the back,...
    
    
  • C. t.virginianus Virginia big-eared bat (endangered)