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