[{"clade":"Crown Dorosoma","fossil":"Dorosoma petenense","left":"Dorosoma_petenense","right":"Dorosoma_anale","min":"1.8","max":"117.5297297","locality":"Gatuna Formation, New Mexico","authority":"Miller (1981)","age_authority":"Blacan/Irivingtonian NALMA, age estimate derived from Gradstein et al. (2012)"}]