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