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