Definition of Frasnian. Meaning of Frasnian. Synonyms of Frasnian

- The Frasnian is one of two faunal stages in the Late Devonian Period. It lasted from 382.31 million years ago to 372.15 million years ago. It was preceded...
- also known as the Frasnian-Famennian extinction, which occurred around 372 million years ago, at the boundary between the Frasnian age and the Famennian...
- but rather is a series of pulsed extinctions at the Givetian-Frasnian boundary, the Frasnian-Famennian boundary, and the Devonian-Carboniferous boundary...
- million years ago to 358.86 million years ago. It was preceded by the Frasnian stage and followed by the Tournaisian stage. In the seas, a novel major...
- occurred within the Frasnian age of the Devonian at about 377-378 Ma, a moment in time that was about 5.9 Ma prior to the Frasnian/Famennian extinction...
- Kitatites is an extinct genus of Upper Devonian (Frasnian) cephalopods named by Zhuravleva, 1972. It is ****igned to the nautiloid order Discosorida. Jack...
- tetrapods. All known forms of Frasnian tetrapods became extinct in the Late Devonian extinction, also known as the end-Frasnian extinction. This marked the...
- with Globoharpes it is one of the only harpetids that are found from the Frasnian stage of the Devonian period. It most likely evolved from Lioharpes. All...
- (24–28 in) in length. D. terrelli's fossil remains are found in Upper Frasnian to Upper Famennian Late Devonian strata of the United States (Huron, Chagrin...
- and fish, including all placoderms and ostracoderms. 372.15 ± 0.46 * Frasnian 382.31 ± 1.36 * Middle Givetian 387.95 ± 1.04 * Eifelian 393.47 ± 0.99...