WAphonopelma moderatum
WBarton Springs salamander
WGuadalupe bass
WComanche Springs pupfish
WCyprinodon rubrofluviatilis
WFountain darter
WGammarus pecos
WGeorgetown salamander
WHemigrapsus estellinensis
WHeterelmis comalensis
WHouston toad
WLouisiana pinesnake
WDevils River minnow
WPecos pupfish
WWestern slimy salamander
WWestern slimy salamander
WRhadine persephone
WSan Marcos salamander
WChihuahua shiner
WSharpnose shiner
WTamaulipas shiner
WStygobromus pecki
WStygoparnus
WTartarocreagris texana
WTexas blind salamander
WTexas garter snake
WTexas river cooter
WTexella reyesi
WTooth Cave spider