taxon_a_id,taxon_b_id,scientific_name_a,scientific_name_b,all_total,precomputed_age,precomputed_ci_low,precomputed_ci_high,adjusted_age 7625,7588,Echinoidea,Asteroidea,9,515.37710595,464.66279821115,566.09141368884,515.37711