Definition of Graptolite

1. n. One of numerous species of slender and delicate fossils, of the genus Graptolites and allied genera, found in the Silurian rocks. They belong to an extinct group (Graptolithina) supposed to be hydroids.



Definition of Graptolite

1. Noun. Any of a group of extinct aquatic colonial invertebrates, of the class ''Graptolithina'', from the Cambrian and Carboniferous periods ¹

¹ Source: wiktionary.com

Definition of Graptolite

1. [n -S]

Medical Definition of Graptolite

1. One of numerous species of slender and delicate fossils, of the genus Graptolites and allied genera, found in the Silurian rocks. They belong to an extinct group (Graptolithina) supposed to be hydroids. Origin: NL, Graptolithus, from Gr. Is engraved, written (to write) + stone. Source: Websters Dictionary (01 Mar 1998)

Graptolite Pictures

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Lexicographical Neighbors of Graptolite

grappled
grapplehook
grapplehooks
grapplement
grappler
grapplers
grapples
grappling
grappling hook
grappling iron
grappling irons
grapplings
grapsoid
grapsoids
graptolite (current term)
graptolites
graptolitic
grapy
grasp
grasp all, lose all
grasp at straws
grasp reflex
grasp the nettle
graspable
grasped
grasper
graspers
grasping
grasping reflex

Literary usage of Graptolite

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"The graptolite facies of the Ordovician, by some authors considered to be an abyssal ... These graptolite beds are well demarcated from the molluscan and ..."

2. Ordnance Gazetteer of Scotland: A Survey of Scottish Topography, Staistical by Francis Hindes Groome (1885)
"... through the exhaustive researches of Professor Lapworth, they have been grouped in the following divisions, according to the graptolite fauna : UPPER . ..."

3. The Silurian Rocks of Britain by Benjamin Nieve Peach, John Horne, Jethro Justinian Harms Teall (1899)
"The graptolite bands differ lithologically from the black shales of the Moffat series. Weathering with a dark brown crust, they have a dark colour on fresh ..."

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