{"id":"W1992714434","doi":"10.1126/science.1229237","title":"The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals","year":2013,"lang":"en","type":"article","venue":"Science","topic":"Evolution and Paleontology Studies","field":"Earth and Planetary Sciences","cited_by":1211,"is_retracted":false,"has_abstract":true,"ca_institutions":"The Scarborough Hospital; University of Toronto","funders":"Division of Environmental Biology; National Science Foundation","keywords":"Mammal; Ancestor; Cretaceous; Biology; Extant taxon; Evolution of mammals; Vertebrate paleontology; Paleontology; Most recent common ancestor; Taxon; Evolutionary biology; Phylogenetics; Geography; Archaeology; Genetics; Gene","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003553514,0.000162067,0.0001852279,0.0009137304,0.0005477692,0.0009010624,0.0002530145,0.0002724763,0.002581312],"category_scores_gemma":[0.001470295,0.0001961595,0.0001513987,0.0009091842,0.001007345,0.0007136746,0.0009253672,0.0004517438,0.0003603998],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003316948,"about_ca_system_score_gemma":0.0002598248,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001711041,"about_ca_topic_score_gemma":0.002309397,"domain_scores_codex":[0.9998098,0.00004057484,0.00001109374,0.00006510664,0.0000292008,0.00004422375],"domain_scores_gemma":[0.9994876,0.0001612263,0.0001505551,0.00007057076,0.00005614257,0.00007378802],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001151264,0.00004054791,0.8042911,0.0002457989,0.0001885715,0.002991651,0.006676938,0.001361285,0.1111211,0.00696902,0.0002708573,0.06469186],"study_design_scores_gemma":[0.000008387128,0.00005912126,0.9940876,0.00001916255,0.0000252146,0.0008473661,0.000513471,0.0003619734,0.0008509033,0.0009932241,0.00222739,0.000006179464],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9968241,0.0004670746,0.0006094256,0.00005793931,0.000004046156,0.000003543696,0.00006498382,0.00001261242,0.001956268],"genre_scores_gemma":[0.9991442,0.0002506636,0.0002827579,0.00001502754,0.000005836729,0.000001954854,0.0001103177,0.000005274665,0.0001839964],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002581312,"threshold_uncertainty_score":0.008635283,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006506911654813971,"score_gpt":0.2050817275336653,"score_spread":0.1985748158788513,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}