Graptolite Definition

grăptə-līt
noun
Any of numerous extinct colonial marine animals chiefly of the orders Dendroidea and Graptoloidea of the late Cambrian to the early Mississippian Periods, whose fossil remains are often used to date the rocks of the Silurian and Ordovician ages.
American Heritage

Other Word Forms of Graptolite

Noun

Singular:
graptolite
Plural:
graptolites

Origin of Graptolite

  • Greek graptos written (from graphein to write graphic) –lite (from the resemblance of the fossils' impressions on shale to markings on a slate)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek γραπτός (graptos, “painted, marked with letters") +"Ž -lite.

    From Wiktionary

Graptolite Sentence Examples

  • A typical graptolite consists of an axis bearing a series of tooth-like projections, like a saw.

  • The Silurian has in Sweden almost the same character as the Wenlock and Ludlow formation of England and consists partly of graptolite shales, partly of limestones and sandstones.

  • It is the general practice of palaeontologists to regard each graptolite polypary (rhabdosome) developed from a single sicula as an individual of the highest order.

  • Many Graptolite zones, showing a constant uniformity of succession, paralleled in this respect only by the longer known Ammonite zones of the Jurassic, have been distinguished in Britain and northern Europe, each marked by a characteristic species.

  • Graptolite Island now has a giant rookery - mainly Adelie Penguins.

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Words Starting With

GGRGRA

Words Ending With

ETEITE

Unscrambles

graptolite

Words Starting With G and Ending With E

Starts With G & Ends With EStarts With GR & Ends With EStarts With G & Ends With TE

Word Length

10 Letter Words10 Letter Words Starting With G10 Letter Words Ending With E