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 Happia snethlagei F.C. Baker, 1913 Figure 4I–K Happia snethlagei Baker 1913: 629 , pl. 22, figs. 3, 4. Material examined. Brazil • Acre , Porto Acre , HFR; 09° 45′40″S , 067°38′34″W ; 07.IX.2018 ; M. Lima and W. Lima leg.; 1, MZSP 150038 (ex UFAC 978 ) • same locality; 09°44′48″S , 067°39′40″W ; 09.I.2019 ; W. Lima and L. Gui- marães leg.; 1, MZSP 150039 (ex UFAC 1044 ) • same locality; 09°45′27″S , 067°39′35″W ; 29.VIII. 2018 ; M. Lima and W. Lima leg.; 1, MZSP 150041 (ex UFAC 937 ) • same locality; 09°44′49″S , 067°39′29″W ; 09.I. 2019 ; W. Lima and L. Guimarães leg.; 1, MZSP 150043 (ex UFAC 1045 ) • same locality; 09°45′35″S , 067°39′03″W ; 30.VIII.2018 ; M. Lima and W. Lima leg.; 1, MZSP 150045 (ex UFAC 942 ). Identification. The flattened shell, with a low but still visible spire, and small round aperture allow the identifi- cation of the present specimens. The present record from eastern Acre extends the species distribution circa 250 km to the west . Type locality. Porto Velho, Rondônia state ; and Camps 39, 40 and 46 (respectively, 284 km , 292 km and 359 km above Porto Velho along Madeira–Mamoré Railroad), Rondônia state , Brazil . Restricted to Camp 39 through lectotype designation (F. Borrero pers. comm.). Figure 4. Shells from Acre state. A, B. Obeliscus sp. , UFAC 956 (H = 7.9 mm). C–E. Stenogyra sp. , UFAC 973 (H = 7.4 mm). F–H. Subulina octona , UFAC 1052 (H = 17.2 mm). I–K. Happia snethlagei , MZSP 150041 (H = 14.2 mm). L–N. Happia sp. , MZSP 150056 (H = 5.6 mm). O–Q. Systrophia helicycloides , MZSP 150060 (H = 11.6 mm). Distribution. From eastern Amazonas state to northern Rondônia state ( Simone 2006 ).