Ages
- Lujanian: Lower boundary 0.8 Ma. Upper boundary 0.011 Ma.
- Ensenadan: Lower boundary 1.2 Ma. Upper boundary 0.8 Ma.
- Uquian: Lower boundary 3 Ma. Upper boundary 1.2 Ma.
- Chapadmalalan: Lower boundary 4 Ma. Upper boundary 3 Ma.
- Montehermosan: Lower boundary 6.8 Ma. Upper boundary 4 Ma.
- Huayquerian: Lower boundary 9 Ma. Upper boundary 6.8 Ma.
- Chasicoan: Lower boundary 10 Ma. Upper boundary 9 Ma.
- Mayoan: Lower boundary 11.8 Ma. Upper boundary 10 Ma.
- Laventan: Lower boundary 13.8 Ma. Upper boundary 11.8 Ma.
- Colloncuran: Lower boundary 15.5 Ma. Upper boundary 13.8 Ma.
- Friasian: Lower boundary 16.3 Ma. Upper boundary 15.5 Ma.
- Santacrucian: Lower boundary 17.5 Ma. Upper boundary 16.3 Ma.
- Colhuehuapian: Lower boundary 21.0 Ma. Upper boundary 17.5 Ma.
- Deseadan: Lower boundary 29.0 Ma. Upper boundary 21.0 Ma.
- Tinguirirican: Lower boundary 36.0 Ma. Upper boundary 29.0 Ma.
- Divisaderan: Lower boundary 42.0 Ma. Upper boundary 36.0 Ma.
- Mustersan: Lower boundary 48.0 Ma. Upper boundary 42.0 Ma.
- Casamayoran: Lower boundary 54.0 Ma. Upper boundary 48.0 Ma.
- Riochican: Lower boundary 57.0 Ma. Upper boundary 54.0 Ma.
- Itaboraian: Lower boundary 59.0 Ma. Upper boundary 57.0 Ma.
- Peligran: Lower boundary 62.5 Ma. Upper boundary 59.0 Ma.
- Tiupampan: Lower boundary 64.5 Ma. Upper boundary 62.5 Ma.
Read more about this topic: South American Land Mammal Age
Famous quotes containing the word ages:
“So forth and brighter fares my stream,
Who drink it shall not thirst again;
No darkness stains its equal gleam,
And ages drop in it like rain.”
—Ralph Waldo Emerson (18031882)
“I shall be telling this with a sigh
Somewhere ages and ages hence:
Two roads diverged in a wood, and I
I took the one less traveled by,
And that has made all the difference.”
—Robert Frost (18741963)
“In all her products, Nature only develops her simplest germs. One would say that it was no great stretch of invention to create birds. The hawk which now takes his flight over the top of the wood was at first, perchance, only a leaf which fluttered in its aisles. From rustling leaves she came in the course of ages to the loftier flight and clear carol of the bird.”
—Henry David Thoreau (18171862)