Despite the physical similarity with `` Pandoravirus '' , the `` Pithovirus '' genome sequence reveals that it is barely related to that virus , but more closely resembles members of `` Marseilleviridae '' , `` Megaviridae '' and `` Iridoviridae '' .
Despite the physical similarity with `` Pandoravirus '' , the `` Pithovirus '' genome sequence shows that it is barely related to that virus . It more closely resembles members of some other virus families .