Systematic revision of the Plectopylinae (Gastropoda, Pulmonata, Plectopylidae) Author Páll-Gergely, Barna 31E196E9-5A51-4295-9A36-D5DA689502B7 Centre for Agricultural Research, Hungarian Academy of Sciences (MTA), Herman Ottó Street 15, Budapest, H- 1022, Hungary. pall-gergely.barna@agrar.mta.hu text European Journal of Taxonomy 2018 2018-08-16 455 1 114 journal article 22297 10.5852/ejt.2018.455 44a2fcf6-cc1b-4c07-9554-dd6dd279a76d 3817707 C445E95B-446A-4601-AAA3-C1CCBAB627F9 Subfamily Plectopylinae Möllendorff, 1898 Type genus Plectopylis Benson, 1860 . Included genera Chersaecia Gude, 1899 (synonym: Endoplon Gude, 1899 ), Hunyadiscus Páll-Gergely, 2016 , Naggsia Páll-Gergely & Muratov, 2016 , Plectopylis Benson, 1860 . Diagnosis Shell usually sinistral, flat to depressed conical; umbilicus wide to moderately wide; protoconch with variable sculptural elements (finely granulated, spirally striated, irregularly wrinkled/ribbed); apertural fold usually present, main plica usually present. Penis well-developed or reduced; penial caecum absent or small, epiphallus present or absent; diverticulum usually present, shorter than bursa copulatrix. Distribution Southeastern Himalaya ( Nagaland and Manipur in northeastern India ), Myanmar and the neighbouring Chinese border region ( Yunnan Province ), Thailand (with the exception of the lowlands in the central and northeastern regions), northern Laos ( Fig. 3 ).