FIGURES 1–17. Caloneis australis sp. nov. LM and most SEM pictures taken from the holotype population (sample BY062) from Livingston Island (South Shetland Islands). 1–12. Light microscopy observations. Fig. 1 shows an intial valve, and Fig. 12 shows the girdle view. 13. SEM of an entire valve, externally. 14. SEM detail of the valve showing the central area and the lunate markings. 15. SEM detail of the valve face and mantle showing the striae; arrows indicate the slits on the mantle. 16. SEM of an entire valve, internal view (picture taken from James Ross Island, sample JRI032). 17. SEM detail of the mantle and girdle, showing the single row of pores on the valvocopula; arrows indicate the rounded plaques (picture taken from James Ross Island, sample JRI015). Scale bar represents 10 μm except for figs 14, 15 and 17 where scale bar = 1 μm.

Published as part of Zidarova, Ralitsa, Kopalová, Kateřina & Vijver, Bart Van De, 2016, Ten new Bacillariophyta species from James Ross Island and the South Shetland Islands (Maritime Antarctic Region), pp. 37-62 in Phytotaxa 272 (1) on page 39, DOI: 10.11646/phytotaxa.272.1.2, http://zenodo.org/record/13647364