Salt water pennate diatom frustule — Stock photos

"Salt water pennate diatom frustule" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1282px, 2600 x 2083px, 3302 x 2646px. The minimum price for an image is 49$. Image in the highest quality is 3302 x 2646px, 300 dpi, and costs 449$.