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