[{"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"}]