Fig. 2From: Three new Licmophora species (Bacillariophyta: Fragilariophyceae) from Guam, two with an axial wave in the valveL. repanda n. sp., valvocopula (a–e) and 4th pleura (f, g) in SEM. a Closed end of valvocopula with narrow septum. b Closed end of valvocopula with wider septum. c–e Series of views along same specimen as (a) showing continued midrib transition toward advalvar margin (to right) (cf. Fig. 1k), and changes in midrib width. f, g The 4th pleura showing apical cap and portion of band with single row of pores. Scale bars 5 μmBack to article page