Table 3. Regression-based estimates of body mass for Perucetus colossus from estimated bone mass.

	With Min Est. Bone Mass			With Mean Est. Bone Mass			With Max Est. Bone Mass
	Mean	CI	PI	Mean	CI	PI	Mean	CI	PI
Cetacea min S/B ratio	238	—	—	291	—	—	343*	—	—
Cetacea mean S/B ratio	152	—	—	185*	—	—	219	—	—
Cetacea max S/B ratio	105	—	—	128	—	—	150	—	—
Cetacea PGLS	135	—	—	163	—	—	193	—	—
Manatee OLS truncated	61.4	[2.74–134]	2.70–142	74.2	[2.91–189]	2.84–194	86.6	[3.06–245]	2.99–251
Manatee OLS complete	40.0	[20.9–76.8]	172–93.0	47.4	[24.2–93.1]	20.1–112	54.6	[27.3–109]	22.7–131

Note:

S/B refers to Skeletal mass/Body mass ratio. Asterisk indicates values used by Bianucci et al. (2023) to set the body mass range of Perucetus.