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