TANAKA, Hiroyuki, & Tamotsu NAGUMO 2009 (Oct. 21) Two new Mesodictyopsis species, M. akitaensis sp. nov. and M. miyatanus sp. nov., from a Late Miocene to Pliocene freshwater sediment, Japan Acta Bot. Croat. 68(2): 221-230, 39 figs., 1 table cardnote: |