How to use Graptolite in a sentence

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

    0
    0
  • 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.

    0
    0
  • 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.

    0
    0
  • 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.

    0
    0
  • Graptolite Island now has a giant rookery - mainly Adelie Penguins.

    0
    0
    Advertisement