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