Definitions

from The Century Dictionary.

  • noun Same as Graptolithus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Plural form of graptolite.

Etymologies

Sorry, no etymologies found.

Examples

  • They date back to the Lower or Middle Cambrian and include an important class of fossils called graptolites, most of which became extinct in the Carboniferous. condividi - cerca i tuoi siti preferiti -

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  • Among the most remarkable of the tiny fossilized creatures Mr. Zalasiewicz excises from the stone are graptolites — an entirely extinct variety of oceanic drifters that formed intricate, communal chains.

    Rock of Ages

  • The Permian extinction, 244 million years ago, devastated the marine biota: tabulate and rugose corals, blastoid echinoderms, graptolites, and most crinoids died out, as did the last of the trilobites.

    Paleozoic

  • Later Paleozoic seas were dominated by crinoid and blastoid echinoderms, articulate brachiopods, graptolites, and tabulate and rugose corals.

    Paleozoic

  • The foundries and factories had been working at full capacity for years, manufacturing exquisitely detailed ammonites, graptolites and molluscs by the million.

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  • The foundries and factories had been working at full capacity for years, manufacturing exquisitely detailed ammonites, graptolites and molluscs by the million.

    Archive 2007-04-01

  • The presence of Trilobites (species Triarthrus) and graptolites indicate that this ecosystem existed in the Upper Permian, 213 million years ago.

    Archive 2004-03-01

  • The presence of Trilobites (species Triarthrus) and graptolites indicate that this ecosystem existed in the Upper Permian, 213 million years ago.

    worlds in a grain of sand

  • Trilobites, ammonites, crinoids, graptolites and brachiopods are among some of the fossils that can be found in this area.

    Archive 2004-03-01

  • Trilobites, ammonites, crinoids, graptolites and brachiopods are among some of the fossils that can be found in this area.

    worlds in a grain of sand

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