Definition of Givetian. Meaning of Givetian. Synonyms of Givetian

- The Givetian is one of two faunal stages in the Middle Devonian Period. It lasted from 387.7 million years ago to 382.7 million years ago. It was preceded...
- the Eifelian. The phacopids returned to North America during the early Givetian with the emigration of Eldredgeops species from Morocco. The species included...
- comprised two subdivisions: first the Eifelian, which then gave way to the Givetian at 387.7 Ma. During this time, the jawless agnathan fishes began to decline...
- extinction event that occurred about 386 million years ago during the Givetian faunal stage of the Middle Devonian geologic period in the Paleozoic era...
- estimates ranging from 500,000 to 25 million years, extending from the mid-Givetian to the end-Famennian. Some consider the extinction to be as many as seven...
- Hexagonaria percarinata Temporal range: Givetian PreꞒ Ꞓ O S D C P T J K Pg N ↓ Unpolished Petoskey stone with cm scale Scientific classification Domain:...
- (Atopophacops) fujiwara Sp. nov Valid Stocker et al. Devonian (probably Givetian) Naidaijin Formation  ****an Trephina Gen. et sp. nov Valid Smith, Paterson...
- [ˌhɑːɾɑːdʒɪkɑːˈdektes]) (meaning "Harajica biter") is a genus of stem-tetrapod from the Givetian to Frasnian Amadeus Basin in Northern Territory, Australia. The type and...
- range is a western extension of the Eifel; both were raised during the Givetian age of the Devonian (382.7 to 387.7 million years ago), as were several...
- placoderms and ostracoderms. 372.2 ± 1.6 * Frasnian 382.7 ± 1.6 * Middle Givetian 387.7 ± 0.8 * Eifelian 393.3 ± 1.2 * Lower/Early Emsian 407.6 ± 2.6 * Pragian...