{
  "schema_version": "1.0.0",
  "study_id": "MAMMALIA-PLACENTALIA-KPG-SUPERTREE-TIER3-SYNTHESIS",
  "validation_set_id": "VAL-SET-045-MAMMALIA-PLACENTALIA-KPG-SUPERTREE-66TAXA-1.72MB",
  "tier": 3,
  "tier_label": "Tier 3: Scientific",
  "prior_beakers": 5,
  "posterior_beakers": 5,
  "positive_cohort_posterior_z": 5.54,
  "overall_posterior_z": 4.86,
  "bootstrap_replicates": 500,
  "taxa_evaluated": 66,
  "total_aligned_bp": 1724400,
  "cohorts_evaluated": 32,
  "solved_divergence_nodes_ma": [
    {
      "node": "Crown Mammalia (Monotremata vs. Theria)",
      "strict_ma": 238.4,
      "lsd2_ma": 184.6,
      "ci_95": [
        174.2,
        195
      ],
      "anchor": "†Ambondro mahabo (167.0 Ma) & †Asfaltomylos (165.0 Ma)"
    },
    {
      "node": "Crown Theria (Marsupialia vs. Eutheria)",
      "strict_ma": 196.2,
      "lsd2_ma": 158.4,
      "ci_95": [
        149.8,
        167
      ],
      "anchor": "†Juramaia sinensis (160.0 Ma) & †Eomaia scansoria (125.0 Ma)"
    },
    {
      "node": "Crown Placentalia (Atlantogenata vs. Boreoeutheria)",
      "strict_ma": 118.4,
      "lsd2_ma": 78.2,
      "ci_95": [
        74,
        82.4
      ],
      "anchor": "Campanian Stem Eutherians + 422 L1/SINE Retroposons"
    },
    {
      "node": "Crown Atlantogenata (Afrotheria vs. Xenarthra)",
      "strict_ma": 108.6,
      "lsd2_ma": 72.4,
      "ci_95": [
        68.2,
        76.6
      ],
      "anchor": "†Eritherium azzouzorum (60.0 Ma) & South Atlantic Vicariance"
    },
    {
      "node": "Crown Boreoeutheria (Euarchontoglires vs. Laurasiatheria)",
      "strict_ma": 104.2,
      "lsd2_ma": 74.6,
      "ci_95": [
        70.8,
        78.4
      ],
      "anchor": "†Purgatorius unio (65.9 Ma) & †Protungulatum donnae (65.8 Ma)"
    },
    {
      "node": "Crown Euarchontoglires (Primates/Euarchonta vs. Glires)",
      "strict_ma": 96.8,
      "lsd2_ma": 68.8,
      "ci_95": [
        65.4,
        72.2
      ],
      "anchor": "†Purgatorius (65.9 Ma) & †Tribosphenomys minutus (58.0 Ma)"
    },
    {
      "node": "Crown Laurasiatheria (Eulipotyphla vs. Scrotifera)",
      "strict_ma": 94.4,
      "lsd2_ma": 70.2,
      "ci_95": [
        66.8,
        73.6
      ],
      "anchor": "†Protungulatum (65.8 Ma) & †Chriacus pelvidens (63.5 Ma)"
    },
    {
      "node": "Inter-Ordinal Placentalia Burst (18 Orders: Cetartiodactyla, Carnivora, Chiroptera, Primates, Rodentia)",
      "strict_ma": 88.2,
      "lsd2_ma": 64.8,
      "ci_95": [
        61.6,
        66.4
      ],
      "anchor": "Post-K-Pg Bolide Ecological Release (66.02 Ma Boundary)"
    },
    {
      "node": "Crown Marsupialia (Ameridelphia vs. Australidelphia)",
      "strict_ma": 98.4,
      "lsd2_ma": 68.4,
      "ci_95": [
        63.2,
        73.6
      ],
      "anchor": "†Djarthia murgonensis (54.6 Ma) & Microbiotheria Bridge"
    }
  ]
}