Distribution in Tamaulipas.—Known only from Miquihuana.
The only specimen of this bat known from Tamaulipas was reported by Anthony (1923:1), and formed the basis of his description of Idionycteris mexicanus, a synonym of Plecotus phyllotis according to Handley (1956:53 and 1959:130).
Antrozous pallidus pallidus (Le Conte)
Pallid Bat
1856. V[espertilio]. pallidus Le Conte, Proc. Acad. Nat Sci. Philadelphia, 7:437, type from El Paso, El Paso Co., Texas.
1864. Antrozous pallidus, H. Allen, Smiths. Misc. Coll., 7 (Publ. 165): 68, June.
Distribution in Tamaulipas.—Known only from a single ramus from Aserradero del Infernillo (Goodwin, 1954:6).
Tadarida brasiliensis mexicana (Saussure)
Brazilian Free-tailed Bat
1860. Molossus mexicanus Saussure, Revue et Mag. Zool., Paris, ser. 2, 12:283, July, type from Cofre de Perote, 13,000 ft., Veracruz.
1955. Tadarida brasiliensis mexicana, Schwartz, Jour. Mamm., 36:108, February 28.
Distribution in Tamaulipas.—Probably state-wide, but presently known from only five localities.