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