[{"clade":"Total group Ostraciidae","fossil":"Eolactoria sorbinii","left":"Ostracion_cubicus","right":"Kentrocapros_rosapinto","min":"49","max":"69.59459459","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":"Crown group Ostraciidae","fossil":"Oligolactoria bubiki","left":"Acanthostracion_quadricornis","right":"Ostracion_cubicus","min":"30.28","max":"57.88828829","locality":"Menilitic Formation, Czech Republic","authority":"Bannikov et al. (2016), Tyler & Gregorova (1991)","age_authority":"IPM 3 (correlated with P19; Tyler and Gregorova 1991), age estimate derived from Gradstein et al. (2012)"}]