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