{"id":"W1979597422","doi":"10.1016/j.coal.2013.12.008","title":"Morphology and histochemistry of coalified Trigonocarpus grandis (Sydney Coalfield, Canada): Implications for the preservation, chemotaxonomy, and evolution of Carboniferous medullosalean ovules","year":2013,"lang":"en","type":"article","venue":"International Journal of Coal Geology","topic":"Plant Diversity and Evolution","field":"Agricultural and Biological Sciences","cited_by":7,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland; Cape Breton University","funders":"Dalhousie University; Cape Breton University; University of Alberta; Smithsonian Institution","keywords":"Ovule; Carboniferous; Botany; Megaspore; Chemical composition; Chemistry; Biology; Geology; Paleontology; Pollen","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.00004634159,0.0001684083,0.0001027516,0.0008086941,0.0008493234,0.000370128,0.0003379809,0.0001966507,0.001420647],"category_scores_gemma":[0.00007608927,0.0001522938,0.0001109712,0.0004462605,0.000641864,0.0001695788,0.0002809447,0.0002229142,0.0003354549],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001313006,"about_ca_system_score_gemma":0.0009532938,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.368725,"about_ca_topic_score_gemma":0.6538561,"domain_scores_codex":[0.9999592,0.00000162751,0.000001589069,0.00001158427,0.00001228363,0.0000137847],"domain_scores_gemma":[0.9998828,0.0000114848,0.00001523841,0.000007239327,0.00004818251,0.00003506619],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0002693335,0.00002324719,0.05753463,0.00009877026,0.00002416486,0.0009402845,0.001209498,0.0003068063,0.9245617,0.0007207435,0.0003342137,0.0139765],"study_design_scores_gemma":[0.000004533492,0.00003691802,0.9772862,0.00001435409,0.00001223154,0.0007915869,0.0009348836,0.0003016515,0.0178046,0.00008533727,0.002719366,0.000008379998],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9918461,0.0002789665,0.0003181938,0.00002661106,0.000003931332,0.00001258155,0.0004567561,0.0000142219,0.007042702],"genre_scores_gemma":[0.9904056,0.0002080997,0.0009275117,0.00003710211,0.000002863087,0.00001118229,0.0004703715,0.00002216969,0.007915129],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.631275,"threshold_uncertainty_score":0.7331576,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01388744501487682,"score_gpt":0.1981835495583409,"score_spread":0.1842961045434641,"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."}}