- Graptolitic
- Graptolitic Grap"to*lit`ic, a. Of or pertaining to graptolites; containing graptolites; as, a graptolitic slate. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
The Collaborative International Dictionary of English. 2000.
graptolitic — graptolitˈic adjective • • • Main Entry: ↑graptolite … Useful english dictionary
graptolite — graptolitic /grap teuh lit ik/, adj. /grap teuh luyt /, n. any colonial animal of the extinct class Graptolithina, most common in the Ordovician and Silurian Periods, thought to be related to the pterobranchs. [1830 40; < Gk graptó(s) painted,… … Universalium
Kirkcudbrightshire — County (until circa 1890) Country Scotland … Wikipedia
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
grap|to|lit|ic — «GRAP tuh LIHT ihk», adjective. of or having to do with graptolites; produced by or containing graptolites: »graptolitic markings, graptolitic slate … Useful english dictionary
Graptolite — Taxobox name = Graptolites fossil range = fossil range|510|350Mid Cambrian to Lower Carboniferous image width = 260px image caption = Fossil graptolite Tetragraptus fruticosus from the Ordovician of Australia regnum = Animalia phylum =… … Wikipedia
Anoxic event — As early as 1911, major oceanic currents were well mapped and understood, albeit without today s understanding of how they affect regional and global climatological conditions … Wikipedia
Caradoc Series — In geology, Caradoc Series is the name introduced by Roderick Murchison in 1839 for the sandstone series of Caer Caradoc in Shropshire, England. It is the fifth of the six subdivisions (in ascending order) of the Ordovician System, comprising all … Wikipedia
Llandeilo Group — In geology, the Llandeilo Group is the middle subdivision of the British Ordovician rocks. It was first described and named by Sir R. I. Murchison from the neighborhood of Llandeilo in Carmarthenshire. In the type area it consists of a series of… … Wikipedia
Barrie Rickards — Infobox Scientist name = Professor Barrie Rickards box width = image width = |birth date = 1938 birth place = death date = death place = residence = citizenship = nationality = British ethnicity = field = Palaeontology work institutions = alma… … Wikipedia