Nassula is a genus of unicellular ciliate protists, belonging to the class Nassophorea. Like other members of the class, Nassula possesses a basket-like feeding apparatus (nasse, or cyrtos) made up of cytopharyngeal rods (nematodesmata), which are themselves composed of closely packed microtubules.[1][2][3] Nassula use this structure to ingest filamentous cyanobacteria, drawing individual strands of blue-green […] read more