L: Lower. M: Middle. U: Upper.
P: Pleistocene. R: Recent. G: Genus. S: Species.
------------------+-----------------------------------+---------+--------
| TERTIARY. | POST- | NOW
+-----------+-----------+-----------+TERTIARY.| LIVING.
| EOCENE. | MIOCENE. | PLIOCENE. | |
+---+---+---+---+---+---+---+---+---+----+----+----+---
| L | M | U | L | M | U | L | M | U | P | R | G | S
+---+---+---+---+---+---+---+---+---+----+----+----+---
LEMUROIDEA. | | | | | | | | | | | | |
Chiromyidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Tarsiidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | 1 | 1
Megaladapidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Lemuridæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Anaptomorphidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Adapidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
| | | | | | | | | | | | |
ANTHROPOIDEA. | | | | | | | | | | | | |
Hapalidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Cebidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Cercopithecidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | 3 | 4
Simiidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | -- | --
Hominidæ |-- |-- |-- |-- |-- |-- |-- |-- |-- | -- | -- | 1 | 1
------------------+---+---+---+---+---+---+---+---+---+----+----+----+---
{234}_E._ NEARCTIC REGION.