Table 1.

Relative cranial size in Proteopithecus

Taxonomic name	Skull length, mm	Width across the orbits, mm	Orbital height, mm
Aegyptopithecus zeuxis CGM 40237	104.9	50.6	18.16
Apidium phiomense DPC 9867 and AMNH 14556	57.0e	27.5e	10.5e
Proteopithecus sylviae DPC 14095	44.3	25.0	8.5
Proteopithecus sylviae CGM 42214	44.1e	24.5e	8.2e
Catopithecus browni mean of three best specimens	50.0	28.1	—
Loris tardigradus DPC-O-42	43.6	28.1	14.4
Cheirogaleus medius DPC-O-33	42.8	26.6	11.1

AMNH, American Museum of Natural History; e, estimate.