Salamandra texanaMatthes, 1855Amblystoma microstomumCope, 1861Chondrotus microstomusCope, 1887Ambystoma schmidtiTaylor, 1939Linguaelapsus schmidtiFreytag, 1959Linguaelapsus texanusFreytag, 1959Ambystoma nothagenesKraus, 1985 The small-mouth salamander (Ambystoma texanum) is a species of mole salamander found in the central United States, from the Great Lakes region in Michigan to Nebraska, south to Texas, and east to Tennessee, with a population in Canada, in Pelee, Ontario.

The Kelley's Island salamander (Ambystoma nothagenes) was synonymized with A. texanum in 1995.

It is typically black or dark brown in color with light-grey or silvery-colored flecking, or grey blotching.

Small-mouth salamanders are nocturnal, often subterranean, preferring moist habitats near permanent bodies of water.

Small-mouth salamanders live in moist pine woodlands and deciduous forest bottomlands, tallgrass prairies, farming areas, near temporary ponds, and along streams.