{"id":"W4417219985","doi":"10.1130/abs/2025am-4476","title":"Testing dietary hypotheses and trophic paleoecology using Ca isotope analyses of dinosaur enamel bioapatite from a well-constrained microvertebrate locality in the Oldman Formation of Canada","year":2025,"lang":"","type":"article","venue":"Abstracts with programs - Geological Society of America","topic":"Paleontology and Evolutionary Biology","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Paleoecology; Trophic level; Isotope analysis; Enamel paint; Invertebrate; Stable isotope ratio","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004188061,0.0003546434,0.0004096842,0.001667898,0.003681505,0.001459428,0.001201404,0.0005123626,0.001726891],"category_scores_gemma":[0.001555385,0.0002977886,0.0003311015,0.001811367,0.002007002,0.0003286845,0.0005856568,0.0003526914,0.0002149224],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009722266,"about_ca_system_score_gemma":0.00781543,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9463896,"about_ca_topic_score_gemma":0.9801069,"domain_scores_codex":[0.9996719,0.00003642834,0.00001701819,0.00009550621,0.00007193488,0.0001071346],"domain_scores_gemma":[0.9991133,0.0001723897,0.00008645423,0.00003574897,0.0004477983,0.0001442363],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003245827,0.0000515283,0.9657578,0.00004134922,0.0001378232,0.0004515623,0.003488568,0.0006695767,0.01831192,0.0006126155,0.0001824074,0.009970305],"study_design_scores_gemma":[0.000008412141,0.00002947828,0.9933659,0.000008987566,0.00003682281,0.0001262048,0.003963424,0.0009411732,0.0009616964,0.0001191357,0.0004282779,0.00001031804],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987906,0.00004988533,0.0001140389,0.00002091547,9.703845e-7,0.000004963606,0.0001133368,0.000002275983,0.0009031605],"genre_scores_gemma":[0.9992894,0.00002517807,0.0002524283,0.00001282351,7.844296e-7,0.000002069166,0.0001267283,0.00000268718,0.0002878597],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05361044,"threshold_uncertainty_score":0.1078523,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04089289144962358,"score_gpt":0.2543313001044971,"score_spread":0.2134384086548735,"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."}}