Skeletonema ardens
Description
Documentation:
Diversity in the genus Skeletonema (Bacillariophyceae): III. Phylogenetic position and morphological variability of Skeletonema costatum and Skeletonema grevillei, with the description of Skeletonema ardens sp. nov. (https://onlinelibrary.wiley.com/doi/10.1111/j.1529-8817.2006.00305.x)