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