From: Tooth replacement in the early-diverging neornithischian Jeholosaurus shangyuanensis and implications for dental evolution and herbivorous adaptation in Ornithischia
Specimen number
Tooth position
Tooth formation time (days)
DDAR (µm)
Direction of section
YLSNHM01797
rM8
46
11.7178
Coronal
lPM4
33
13.7688
CUGW VH132
rPM5
25
12.7401
Mesiodistal