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