FIGURES 13–18 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens

FIGURES 13–18. Cocconeis pinnata from Tahiti Island (LM). Fig. 13, RV striae (arrow). Fig. 14, RV showing the central raphe endings, and SV valvocopula (arrow). Fig. 15, RV, Fig. 16, SV, Fig. 17, RV with central raphe endings (arrow). Fig. 18, SV showing the digitate SV valvocopula. LM, scale bars: Figs 13–18: 10 µm.