Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of graptolite.

from The Century Dictionary and Cyclopedia

  • n. Same as Graptolithus.

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 -

    Ultimi bookmark postati su Segnalo

  • 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

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

    Paleozoic

  • 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

  • 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

  • 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

  • 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

  • So Fle - ta's hooves avoided trampling the sponges and fernlike graptolites, and the squidlike nautiloids watched with - out reaction.

    Robot Adept

  • The typical graptolites are, in the upper part, _Dicellograptus anceps_ and _D. complanatus_; in the lower part, _Pleurograptus linearis_ and

    Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"

  • Arenig age, their horizon being defined by graptolites occurring in cherty mudstones and black shales interleaved in lavas and agglomerates.

    Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.