[{"clade":"Crown Osteoglossidae","fossil":"Joffrichthys symmetropterus","left":"Heterotis_niloticus","right":"Osteoglossum_bicirrhosum","min":"58.551","max":"138.1206557","locality":"Paskapoo Formation at Joffre Bridge","authority":"Li et Wilson 1996 JVP, Li etal 1997a, Li et Wilson 1999, Hilton 2003 and Wilson and Murray 2009.","age_authority":"Magnetic polarity chron C26 encompassing Ti 3 and Ti4 of Tiffanian NALMA, age estimate derived from Gradstein et al. (2012)"}]