RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
2 results for "ammonite"
ZF_3_10 — Marine Paleontology and the Fossil Record of the Seas
Marine paleontology documents the evolution of life in Earth's oceans over ~3.8 billion years — from the earliest microbial fossils (stromatolites, ~3.5 Ga) to the complex marine ecosystems of the modern ocean. The marin
E_5_03 — The End-Triassic Mass Extinction
The End-Triassic mass extinction (c. 201.564 ± 0.015 million years ago) was one of the "Big Five" mass extinctions in Earth's history, eliminating approximately 76% of all species and ~50% of genera, clearing the ecologi
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