{"id":"W4412877897","doi":"10.1186/s12915-025-02335-3","title":"Quantification of leg mobility in the Burgess Shale Olenoides serratus indicates functional differences between trilobite and xiphosuran appendages","year":2025,"lang":"en","type":"article","venue":"BMC Biology","topic":"Subterranean biodiversity and taxonomy","field":"Earth and Planetary Sciences","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Biology; Appendage; Trilobite; Arthropod; Evolutionary biology; Anatomy; Paleontology; Ecology","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":[0.0001552507,0.0002710861,0.000170131,0.001548382,0.0003230282,0.0002684258,0.0002149523,0.0002944786,0.001694327],"category_scores_gemma":[0.0004442286,0.000170803,0.0001984376,0.0005125458,0.0005917656,0.0002972032,0.0004865062,0.0001753927,0.0003050161],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001744069,"about_ca_system_score_gemma":0.0001209745,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002737378,"about_ca_topic_score_gemma":0.00983259,"domain_scores_codex":[0.9998952,0.00001247266,0.000009118549,0.0000464668,0.00001896777,0.00001779006],"domain_scores_gemma":[0.9996002,0.00005245735,0.0002124158,0.00002924066,0.00003671705,0.0000688896],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002198199,0.00003404805,0.849647,0.0001445774,0.00006145141,0.0001782954,0.001377766,0.0003194212,0.132579,0.0001050104,0.00008711522,0.01524637],"study_design_scores_gemma":[0.000001329673,0.00007325278,0.9984609,0.000008791193,0.000009600697,0.0001567631,0.0001868399,0.0001748494,0.0007738169,0.00001348921,0.0001377106,0.000002688062],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9994256,0.0000781434,0.000155392,0.000002464884,5.948335e-7,0.000002135703,0.00009473936,0.000005284203,0.0002356157],"genre_scores_gemma":[0.9989616,0.00004584233,0.000537917,0.000006731196,0.000001270424,0.000008320936,0.0002511671,0.000002615356,0.0001846009],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002737378,"threshold_uncertainty_score":0.005668044,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09174648284979037,"score_gpt":0.2432710724721434,"score_spread":0.151524589622353,"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."}}