Relationship between gene overlap (as a proportion of information content) and information content, both expressed as natural logarithms. Points are means for the following taxa. 1, Acyrthosiphon pisum virus (n = 1); 2, Arenaviridae (n = 11); 3, Arteriviridae (n = 4); 4, Astroviridae (n = 6); 5, Barnaviridae (n = 1); 6, Beet western yellows ST9 associated virus (n = 1); 7, Benyvirus (n = 2); 8, Birnaviridae (n = 5); 9, Bornaviridae (n = 1); 10, Botrytis virus X (n = 1); 11, Bromoviridae (n = 22); 12, Bunyaviridae (n = 20); 13, Caliciviridae (n = 13); 14, Caulimoviridae (n = 23); 15, Closteroviridae (n = 16); 16, Comoviridae (n = 18); 17, Coronaviridae (n = 12); 18, Cystoviridae (n = 4); 19, Filoviridae (n = 4); 20, Flaviviridae (n = 34); 21, Flexiviridae (n = 52); 22, Fusarium graminearum dsRNA mycovirus 1 (n = 1); 23, Hepadnaviridae (n = 10); 24, Hepeviridae (n = 1); 25, Hordeivirus (n = 1); 26, Hypoviridae (n = 4); 27, Leviviridae (n = 8); 28, Luteoviridae (n = 17); 29, Nodaviridae (n = 8); 30, Ophiovirus (n = 3); 31, Orthomyxoviridae (n = 5); 32, Oyster mushroom spherical virus (n = 1); 33, Paramyxoviridae (n = 28); 34, Pecluvirus (n = 2); 35, Picobirnavirus (n = 1); 36, Pomovirus (n = 4); 37, Reoviridae (n = 21); 38, Retroviridae (n = 40); 39, Rhabdoviridae (n = 17); 40, Sclerophthora macrospora virus A (n = 1); 41, Sobemovirus (n = 9); 42, Tetraviridae (n = 4); 43, Thielaviopsis basicola dsRNA virus 1 (n = 1); 44, Tobamovirus (n = 15); 45, Tobravirus (n = 3); 46, Togaviridae (n = 16); 47, Tombusviridae (n = 35); 48, Totiviridae (n = 20); 49, Tymoviridae (n = 12); 50, Umbravirus (n = 4). The following taxa are excluded because of zero overlap: Botrytis virus F (n = 1), Cheravirus (n = 2), Chrysoviridae (n = 1), Diaporthe ambigua RNA virus 1 (n = 1), Dicistroviridae (n = 12), Endornavirus (n = 1), Furovirus (n = 5), Idaeovirus (n = 1), Iflavirus (n = 7), Marnaviridae (n = 1), Narnaviridae (n = 8), Partitiviridae (n = 14), Picornaviridae (n = 31), Potyviridae (n = 54), Sequiviridae (n = 6), and Tenuivirus (n = 2).
