Feb 5, 2013
Saccinobaculus sp. and Barbulanympha sp. (via)
The oxymonad protist Saccinobaculus (foreground, at about 12 microns in diameter) orbiting the much larger parabasalid protist Barbulanympha (background, at about 100 microns in diameter), which is covered in a dense monolayer of rod-shaped symbiotic bacteria. From the hindgut of the wood-feeding roach Cryptocercus. Images by Kevin J. Carpenter. (More)