[{"clade":"Total group Diodontidae","fossil":"Heptadiodon echinus","left":"Diodon_hystrix","right":"Tetraodon_cutcutia","min":"49","max":"79.89189189","locality":"Bolca, Italy","authority":"Bannikov et al. (2016)","age_authority":"See argumentation in Harrington et al. (2016), calibration 4; specimen derives from same geological unit"},{"clade":"MRCA Sphoeroides, Tetraodon","fossil":"Archaeotetraodon winterbottomi","left":"Tetraodon_cutcutia","right":"Sphoeroides_tyleri","min":"32.02","max":"65.48378378","locality":"Lower Khadum Horizon, Caucasus","authority":"Bannikov et al. (2016)","age_authority":"See argumentation in Benton et al. (2015), calibration 40; specimen derives from same geological unit"}]