taxon_a_id,taxon_b_id,scientific_name_a,scientific_name_b,all_total,precomputed_age,precomputed_ci_low,precomputed_ci_high,adjusted_age 7745,7762,Petromyzontiformes,Myxini,7,454.92802597408,420.21324439555,489.6428075526,454.92803