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