FIGURES 20–25 in Aulacoseira principissa sp. nov., a new 'centric' diatom species from the sub- Antarctic region ...

• Main Author: Vijver, Bart Van De
• Format: Still Image
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Chromista; Ochrophyta; Coscinodiscophyceae; Aulacoseirales; Aulacoseiraceae; Aulacoseira; Antarctic; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.10087333; https://zenodo.org/doi/10.5281/zenodo.10087333

FIGURES 20–25: SEM images of Aulacoseira principissa. All pictures taken from the holotype population (sample BW390). Fig. 20: Valve view of a linking valve with marginal ring of spines and regular areolae pattern. Fig. 21: Valve view of a linking valve with marginal ring of spines but irregular areolae pattern showing only open areolae near the valve margin. Fig. 22: Separation valve lacking linking spines. Fig. 23: Inside view with the narrow Ringleiste. Fig. 24: Detail of a broken valve part with the Ringleiste and the (eroded) rimoportula (see arrow). Fig. 25: Detail of a fragment showing vela from the inside. Scale bars represent 1 µm. ... : Published as part of Vijver, Bart Van De, 2012, Aulacoseira principissa sp. nov., a new 'centric' diatom species from the sub- Antarctic region, pp. 33-42 in Phytotaxa 52 (1) on page 38, DOI: 10.11646/phytotaxa.52.1.5, http://zenodo.org/record/10087326 ...