Extended Data Fig. 8: Mandibular molar root size and shape.
From: Early hominins from Morocco basal to the Homo sapiens lineage

Principal component analyses of four molar root variables: root length, square root of cervix plane area, cube root of root cervix volume, and cube root of root branch volume. There is decreasing overlap between H. sapiens and H. neanderthalensis from the first to the third mandibular molar. ThI-GH-10717 falls within the variation of both taxa for the first and second molar, but with H. sapiens for the third molar. Thl-GH-1 falls on the edge of the H. sapiens distribution for each molar position and towards the H. erectus samples.