HAYASHI, Tatsuya, Yoshihiro TANIMURA, & Harutaka SAKAI 2007 (April 2) Puncticulata versiformis sp. nov. and Cyclotella kathmanduensis sp. nov. (Bacillariophyta), new fossil species from Middle Pleistocene lacustrine sediments, Kathmandu, Nepal Himalaya J. Phycol. 43(2): 304-318, 9 figs., 2 tables