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