Finding Time
Geological time: Eras and Periods
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CAINOZIOC
CAMBRIAN
CARBONIFEROUS
CRETACEOUS
DEVONIAN
JURASSIC
MESOZIOC
ORDOVICIAN
PALAEOZIOC
PERMIAN
PRECAMBRIAN
QUATERNARY
SILURIAN
TERTIARY
TRIASSIC
| D | D | S | C | E | Y | T | R | I | A | S | S | I | C | V |
| H | G | E | R | F | V | E | Y | R | Q | P | Q | V | C | M |
| S | C | B | I | Q | V | I | E | N | P | U | P | A | R | E |
| O | C | C | Y | E | G | L | N | X | A | A | R | Y | E | S |
| R | Y | R | A | I | T | R | E | T | L | B | E | X | T | O |
| U | O | Z | C | G | Q | Y | E | A | O | P | C | P | A | Z |
| X | Y | W | L | W | Z | R | E | N | R | D | A | E | C | I |
| I | M | Q | F | W | N | O | I | S | D | E | M | R | E | O |
| H | Z | Z | G | A | Z | F | J | E | O | V | B | M | O | C |
| M | C | H | R | I | E | I | C | L | V | O | R | I | U | N |
| O | D | Y | O | R | P | E | O | W | I | N | I | A | S | E |
| I | E | C | O | T | L | V | S | Q | C | I | A | N | X | E |
| C | J | U | R | A | S | S | I | C | I | A | N | T | S | Y |
| M | S | I | L | U | R | I | A | N | A | N | L | T | D | N |
| C | O | I | Z | O | N | I | A | C | N | Y | E | L | N | S |
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