Family: Picornaviridae

Genus: Tropivirus


Distinguishing features

The genus is distinguished on the basis of genetic characters. 



No details are available on the morphology of virions. 

Nucleic acid

Genome (Shi et al., 2018): c. 8,049 nt (5′-UTR: 773 nt; ORF: 7,077 nt; 3'-UTR: 199 nt). The location of the cre has not been identified. 

Genome organization and replication

Genome layout:


The deduced polyprotein is of 2,359 amino acids. There is an L protein with unknown function. The 1AB protein remains uncleaved. The 2A protein has an H-box/NC sequence motif. 


No virus has been isolated. Viral RNA was detected in organ pools (gut, liver, lungs) of Chinese water skinks (Tropidophorus sinensis). 

Derivation of names

Tropivirus: derived from Tropidophorus sinicus (host) and picornavirus

Species demarcation criteria

There is only a single species in the genus. 

Related, unclassified viruses

Virus name

Accession number

Virus abbreviation

Yili teratoscincus roborowskii picornavirus 1 [LPWC175499]



Virus names and virus abbreviations are not official ICTV designations.