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