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
| C | P | Y | E | J | N | I | Z | U | Z | O | T | N | F | G |
| I | W | T | Y | I | A | H | F | F | N | F | A | Q | S | I |
| S | Q | C | D | C | I | I | W | V | S | I | G | U | I | R |
| S | P | O | T | O | C | H | R | V | N | H | O | A | L | Q |
| A | B | I | S | I | I | H | M | O | H | R | Y | T | U | C |
| R | C | Z | N | Z | V | E | V | G | E | K | C | E | R | I |
| U | O | O | K | O | O | E | J | F | L | B | C | R | I | S |
| J | I | E | C | S | D | R | I | Z | V | A | B | N | A | S |
| V | Z | A | A | E | R | N | P | E | R | M | I | A | N | A |
| C | O | L | G | M | O | T | E | R | T | I | A | R | Y | I |
| M | N | A | R | B | A | B | T | H | U | X | I | Y | Z | R |
| O | I | P | R | E | C | A | M | B | R | I | A | N | S | T |
| X | A | A | O | Q | W | T | E | H | K | H | W | B | C | X |
| X | C | R | E | T | A | C | E | O | U | S | U | C | U | O |
| O | Y | Y | B | K | N | D | B | H | T | N | D | G | B | N |
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