The major subdivision of a genus or subgenus
[DOC] [TLE] Subdivision of the genus Pleuroxus (Anomopoda, Chydoridae) into ... [PAR] Subdivision of the genus Pleuroxus (Anomopoda, Chydoridae) into ... the entire 
World has revealed a major dichotomy in morphology, one line related to 
aduncus: the ...