Definition of Whiterockian. Meaning of Whiterockian. Synonyms of Whiterockian

Here you will find one or more explanations in English for the word Whiterockian. Also in the bottom left of the page several parts of wikipedia pages related to the word Whiterockian and, of course, Whiterockian synonyms and on the right images related to the word Whiterockian.

Definition of Whiterockian

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Meaning of Whiterockian from wikipedia

- The Whiterockian, often referred to simply as the Whiterock, is an earliest or lowermost stage of the Middle Ordovician. Although the Whiterockian or Whiterock...
- Mohawkian Chatfieldian Sandbian Burrellian Gisbornian Turinian Aurelucian Whiterockian Middle Ordovician Darriwilian Llanvirn Llandeilo Darriwilian Darriwilian...
- Spain, Sweden, the United Kingdom, United States; Llandeilo of China; Whiterockian of United States; Dawan of China; Arenig of China. Strophomena amoena...
- Najaceras is a genus of straight, slender endocerid known only from the Whiterockian age Oil Cr**** Limestone of Oklahoma, introduced and named by Rousseau...
- Georginidae but don't become well established until the beginning of the early Whiterockian Stage (Dapingian) of the Middle Ordovician (Flower 1868,1976) The Georginidae...
- reticulatus and R. turgidus from the Whiterockian of Canada, R. vespertina from the Ordovician and Whiterockian of the United States and Norway, and a...
- Conodonts Paraprioniodus costatus and Leptochirognathus quadratus indicate Whiterockian age. Unconformities separate this formation from the underlying Powell...
- "Ordovician trilobites from the Romaine and Mingan formations (Ibexian-late Whiterockian), Mingan Islands, Quebec" (abs). Cambridge University Press. Retrieved...
- the Trempealeauan. The C****inian is followed in North America by the Whiterockian and by the newer ICS Dapingian, given respective durations of 9.8 and...
- Volkhov stage. Another conodont, Tripodus laevis, defined the base of the Whiterockian stage in western North America. T. laevis was also roughly correlated...