TY - RPRT TI - Comparison of directional random walk and weighted least squares modeling of sparse fossil data AU - Ergon, R. PY - 2026 DO - 10.64898/2026.06.26.734751 UR - https://www.biorxiv.org/content/10.64898/2026.06.26.734751v1 ID - 10.64898/2026.06.26.734751 ER -