New MSL including all taxa updates since the 2011 release. This MSL provides updates approved during EC44 in Leuven, Belgium, and ratified by the ICTV membership in early 2013.

Version 2 of the 2012 MSL corrects the following errors:

Removed the incorrect designation as a type species for the following:
     Mononegavirales;Rhabdoviridae;Unassigned;Ephemerovirus;Obodhiang virus
     Picornavirales;Picornaviridae;Unassigned;Kobuvirus;Aichivirus C
(Correct type species were already designated in each genus)

Version 3 of the 2012 MSL corrects the following errors:

Corrected species name capitalization: Mononegavirales;Rhabdoviridae;Tibrovirus;Coastal Plains virus