[{"clade":"Total group Trachichthyoidei","fossil":"Hoplopteryx lewesensis","left":"Monocentris_japonica","right":"Rondeletia_bicolor","min":"93.6","max":"114.1409409","locality":"English Chalk Group, UK","authority":"Patterson (1963, 1993)","age_authority":"See argumentation in Near et al. (2012), calibration 17"},{"clade":"Total group Gephyroberyx","fossil":"Gephyroberyx robustus","left":"Gephyroberyx_darwinii","right":"Hoplostethus_gigas","min":"32.02","max":"97.35405405","locality":"Lower Khadum Horizon, Caucasus","authority":"Near et al. (2012)","age_authority":"See argumentation in Benton et al. (2015), calibration 40; specimen derives from same geological unit"},{"clade":"Crown Stephanoberyciformes","fossil":"Miobarbourisia aomori","left":"Acanthochaenus_luetkenii","right":"Rondeletia_bicolor","min":"9.83","max":"96.05107107","locality":"Wadagawa Formation","authority":"Fuji et al. (2007)","age_authority":"N15 (Aoyagi and Omokawa 1993), age estimate derived from Gradstein et al. (2012)"}]