Table 1 Molecular clock estimates timing of the emergence of crown bacteria and archaea under three different clock models

From: Timing the evolution of phosphorus-cycling enzymes through geological time using phylogenomics

Clock Model

Bacteria / Ga

Archaea / Ga

CIR

3.47 (3.61–3.31)

3.26 (3.45–3.07)

LN

3.80 (3.91–3.67)

3.26 (3.45–3.08)

UGAM

3.90 (4.28–3.57)

3.32 (3.51–3.13)

  1. Confidence intervals are provided in brackets.