How big is YOUR genome?
Homo sapiens 3 billion
Bufo bufo (Common Toad) 7 billion http://www.club100.net/species/B_bufo/B_bufo.html
Necturus maculosus (Mudpuppy salamander) 50 billion http://www.herpnet.net/Iowa-Herpetology/index.php?option=com_content&task=view&id=34&Itemid=26
Protopterus aethiopicus (marbled lungfish) 139 billion https://www.tumblr.com/search/Protopterus+aethiopicus
670 billion (but disputed) Amoeba Dibua 670 billion (but disputed) Amoeba Dubiahttp://wiedza.na1miejscu.pl/wiedza-dziedziny-genetyka/najdluzszy-kod-genetyczny/
Paris Japonica 150 billion
Genome Sizes for various biological groups See Gregory, T.R. (2005) Nature Reviews Genetics, 6:699-798