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Carboniferous vs Graptolite - What's the difference?

carboniferous | graptolite |

As an adjective Carboniferous

is of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down.

As a proper noun Carboniferous

is the Carboniferous period.

As a noun graptolite is

any of a group of extinct aquatic colonial invertebrates, of the class Graptolithina, from the Cambrian and Carboniferous periods.

carboniferous

English

Adjective

(wikipedia Carboniferous) (-)
  • (geology) of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down

    • Proper noun

    (en proper noun)
  • (geology) the Carboniferous period

    • See also

    *

    graptolite

    English

    (wikipedia graptolite)

    Noun

    (en noun)
  • Any of a group of extinct aquatic colonial invertebrates, of the class Graptolithina , from the Cambrian and Carboniferous periods
  • *2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 70:
  • *:The samples were black shale, and on the shales were some ancient fossils called graptolites .

    • See also

    * sicula * prosicula * rhabdosome