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