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