Bats (Mammalia, Chiroptera) from a bamboo-dominated forest in the southwestern Brazilian Amazon, with the first records of Glyphonycteris sylvestris Thomas, 1896 and Phylloderma stenops Peters, 1865 from Acre state Author Verde, Rair Sousa Author Ferreira Oliveira, Sidney Author Meneses, Andressa Oliveira Author Gonçalves, Felipe Author Alencar, Luana Author Martins Silva, Thiago Author Muniz Calouro, Armando Author Augusto Mews, Henrique Author Ferreira Morato, Elder text Check List 2021 2021-03-01 17 2 311 321 http://dx.doi.org/10.15560/17.2.311 journal article 10.15560/17.2.311 1809-127X Glyphonycteris sylvestris Thomas, 1896 Figure 3T Materials examined. BRAZIL • 1 adult ♂ ; Acre , mu- nicipality of Sena Madureira , Floresta Estadual do Anti- mary; 09°18′41.19″S , 068°17′34.58″W ; 200 m a.s.l. ; Mar. 2017 ; R . S. Verde leg.; collected with mist nets; voucher: LEM-1162 ( Fig. 3T ) . Identification . Dorsal hair tricolored; greatest length of skull less than 25 mm ; two pairs of upper incisors, outer incisor hidden by cingulum of canine; lower incisors nor- mal (not anteriorly-posteriorly long and transversely narrow). Morphological characteristics (external, cranial and dental) observed in the collected specimen allowed the correct identification. Measurements (in mm) obtained from the collected male: forearm length 39.9, third meta- carpal 36.6, fourth metacarpal 35.3, fifth metacarpal 38.2, total skull length 19.8, basal condyle length 18.2, series of upper teeth 8, length of mandible 12.8, series of lower teeth series 8.3, zygomatic width 9.7, cranial cavity width 8.2. Comments. Our record expands the distribution of G. sylvestris by nearly 650 km northwest of the nearest Am- azon record ( Tirira et al. 2016 ).