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