Type
Sub-age
Age range
41.39–41.154 Ma
C18r
C19n
C19r
41.4041.3941.3841.3741.3641.3541.3441.3341.3241.3141.3041.2941.2841.2741.2641.2541.2441.2341.2241.2141.2041.1941.1841.1741.1641.15