Type
Sub-age
Age range
37.872–37.753 Ma
C17n.1n
C17n.1r
C17n.2n
37.8837.8737.8737.8637.8537.8537.8437.8437.8437.8337.8337.8237.8137.8137.8037.8037.8037.7937.7837.7837.7737.7737.7737.7637.7637.75