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