polyploviricotina polyploviricotina polyploviricotina is a subphylum of viruses in the phylum negarnaviricota. it is one of only two virus subphyla, the other being haploviricotina, which is also in negarnaviricota. the name comes from πολύπλοκο polyplo, the ancient greek for 'complex', along with the suffix for a virus subphylum; 'viricotina'. polyploviricotina peribunyavirus structure (left); transmission electron micrograph of california encephalitis virus (right) virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: negarnaviricota subphylum: polyploviricotina classes and orders ellioviricetes bunyavirales insthoviricetes articulavirales