Information om | Engelska ordet WORDIAN

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• The top of the Wordian (the base of the Capitanian Stage) is defined as the place in the stratigraphic record where the conodont species Jinogondolella postserrata first appears.
• Olson’s Extinction, in the early Guadalupian (Roadian, Wordian), led to an extended period of low diversity when worldwide two-thirds of terrestrial vertebrate life was lost.
• In 1961, the regional timescale used for the southeastern US had the Wordian and Capitanian as subdivisions of the Guadalupian.
• The top of the Wordian (the base of the Capitanian Stage) is defined as the place in the stratigraphic record where the conodont species Jinogondolella postserrata first appears.
• Based on stratigraphic position, lithostratigraphic and biostratigraphic correlations, palynological analyses, and other means of geological dating, the Beaufort Group rocks are considered to range between Middle Permian (Wordian) to Early Triassic (Anisian) in age.
• The Estemmenosuchids replaced the caseids as the dominant megaherbivores of the Wordian age (middle of the Middle Permian), before being themselves replaced by the Tapinocephalidae during the Capitanian age (late Middle Permian).
• Ennatosaurus is an extinct genus of caseid synapsid that lived during the Middle Permian (late Roadian - early Wordian) in northern European Russia.
• Being specifically from the Beaufort group means that the Pachydectes was present solely during the Guadalupian, specifically during the Wordian and Capitanian without being found anywhere else.
• Lanthanosuchoidea is an extinct superfamily of ankyramorph parareptiles from the middle Pennsylvanian to the middle Guadalupian epoch (Moscovian - Wordian stages) of Europe, North America and Asia.
• Lanthaniscus is an extinct genus of lanthanosuchoid ankyramorph parareptile known from the Guadalupian epoch (Late Roadian to latest Wordian age) of Eastern Europe, Russia.
• The Gai-As Formation is an Early to Middle Permian (Kungurian to Wordian) geologic formation correlated with the Ecca Group and designated "Ecca" Group, because it does not belong to the Karoo, in the southwestern Kunene Region and northern Erongo Region of northwestern Namibia.
• †Stegopterum Sharov 1961 Lek-Vorkuta Formation, Russia, Kungurian, Iva-Gora Beds Formation, Mitina Formation, Russia, Roadian Kazankovo-Markinskaya Formation, Russia, Middle Permian (Wordian).

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