Type
Sub-age
Age range
53.074–52.62 Ma
C23r
C24n1n
C24n.1r
53.0853.0653.0453.0253.0052.9852.9652.9452.9252.9052.8852.8652.8452.8252.8052.7852.7652.7452.7252.7052.6852.6652.6452.6252.60