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