Terrestrial gastropods of Reserva Florestal Humaitá, southwestern Brazilian Amazon Author de Lima, Marcos Silva Author Silva, Fernanda dos Santos Author Simone, Luiz Ricardo Lopes Author Salvador, Rodrigo Brincalepe Author Guilherme, Edson text Check List 2021 2021-02-22 17 1 269 281 http://dx.doi.org/10.15560/17.1.269 journal article 10.15560/17.1.269 1809-127X Helicina juruana Ihering, 1905 Figure 3G–K Helicina carinata juruana Ihering 1905: 458 . Material examined. Brazil • Acre , Porto Acre, HFR; 09° 45′13″S, 067°40′09″W ; 12.X.2018 ; M. Lima and W. Lima leg.; 1, MZSP 150063 (ex UFAC 996) • same locality; 09°45′04″S , 067°40′15″W ; 09.I.2019 ; W. Lima and L. Gui- marães leg.; 1, MZSP 150064 (ex UFAC 1048) • same locality; no coordinates recorded; 12.I.2017 ; 2, UFAC 717. Identification. The species is diagnosed by the ochre/ brownish coloration of the shell, pronounced keel on the body whorl, and angular aperture ( Ihering 1905 ). It was reported for the first time from Acre by Salvador et al. (2020b) . Type locality. The Juruá River, Amazonas state, Brazil . Distribution. From western Amazonas state to eastern Acre , Brazil ( Salvador et al. 2020b ).