• 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...
    5 KB (429 words) - 14:33, 1 February 2023
  • (Atopophacops) fujiwara Sp. nov Valid Stocker et al. Devonian (probably Givetian) Naidaijin Formation  Japan Trephina Gen. et sp. nov Valid Smith, Paterson...
    175 KB (9,235 words) - 08:52, 7 March 2024
  • Thumbnail for Petoskey stone
    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:...
    7 KB (767 words) - 06:28, 25 November 2023
  • Thumbnail for Eldredgeops
    the Eifelian. The phacopids returned to North America during the early Givetian with the emigration of Eldredgeops species from Morocco. The species included...
    6 KB (578 words) - 05:34, 23 November 2023
  • extinction event that occurred about 386 million years ago during the Givetian faunal stage of the Middle Devonian geologic period in the Paleozoic era...
    9 KB (876 words) - 11:22, 28 February 2024
  • Thumbnail for Devonian
    comprised two subdivisions: first the Eifelian, which then gave way to the Givetian 387.7 Ma. During this time the jawless agnathan fishes began to decline...
    69 KB (7,577 words) - 16:40, 25 April 2024
  • Thumbnail for Harajicadectes
    [ˌhɑːɾɑːdʒɪkɑːˈdektes]) (meaning "Harajica biter") is a genus of stem-tetrapod from the Givetian to Frasnian Amadeus Basin in Northern Territory, Australia. The type and...
    5 KB (249 words) - 13:47, 11 March 2024
  • Thumbnail for Ardennes
    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...
    21 KB (2,094 words) - 15:43, 11 March 2024
  • Thumbnail for Late Devonian extinction
    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...
    75 KB (8,622 words) - 00:00, 24 April 2024
  • Thumbnail for Silurian
    diverse epibionts: dominance and syn vivo encrustation in a Middle Devonian (Givetian) soft-bottom habitat of the Holy Cross Mountains, Poland". Palaeogeography...
    57 KB (5,666 words) - 09:06, 22 April 2024
  • Thumbnail for Agoniatitida
    late Pragian, after 409.1 mya) into Taghanic event during upper middle Givetian (between 385 and 384 mya), existing for approximately 25 million years...
    3 KB (284 words) - 04:44, 18 December 2023
  • Thumbnail for Geologic time scale
    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...
    172 KB (9,395 words) - 04:29, 22 April 2024
  • Thumbnail for Seed
    The description in 2004 of the proto-seed Runcaria heinzelinii in the Givetian of Belgium is an indication of that ancient origin of seed-plants. As with...
    76 KB (9,424 words) - 18:10, 23 February 2024
  • The Middle Devonian epoch is subdivided into two stages: Eifelian and Givetian. In the middle Devonian the armored jawless fish known as ostracoderms...
    5 KB (395 words) - 07:48, 21 April 2024
  • Thumbnail for Elasmobranchii
    elasmobranch, Phoebodus, has its earliest records in the Middle Devonian (late Givetian), around 383 million years ago. Several important groups of total group...
    22 KB (2,426 words) - 00:14, 24 April 2024
  • Thumbnail for Marchantiophyta
    time to the liverworts were announced, Metzgeriothallus sharonae from the Givetian (Middle Devonian) of New York, United States. However, in 2010, five different...
    40 KB (4,166 words) - 22:20, 31 March 2024
  • Telychian Sheinwoodian Homerian Gorstian Ludfordian Lochkovian Pragian Emsian Eifelian Givetian Frasnian Famennian Axis scale: millions of years ago....
    22 KB (2,737 words) - 08:10, 19 February 2024
  • Thumbnail for Extinction event
    (1982) did not initially consider the Late Devonian extinction interval (Givetian, Frasnian, and Famennian stages) to be statistically significant. Regardless...
    143 KB (15,457 words) - 17:41, 22 April 2024
  • Thumbnail for Wattieza
    slabs) and numerous other fragments (Berry, 2000) collected from middle Givetian-strata from the lower member of Campo Chico Formation (Casas et al, 2022)...
    5 KB (514 words) - 13:43, 18 April 2024
  • Lower Devonian Late Emsian Stage (393.3 Ma) to the Middle Devonian Upper Givetian Stage (382.7 Ma). They are characterized by having large heads with short...
    13 KB (1,641 words) - 23:48, 2 February 2024
  • Thumbnail for Cephalopod size
    Plagiostomoceras sp. 1.1 m (estimate) Klug et al. (2015:270) From the Givetian of Onondaga, New York. Shell volume estimated at 0.0052 litres. Endoceras...
    359 KB (29,937 words) - 02:27, 15 April 2024
  • Thumbnail for Trilobite
    scientific and public interest in the location. The fossils are dated to the Givetian (387.2 - 382.7 million years ago) when the Western New York Region was...
    110 KB (11,754 words) - 17:47, 15 April 2024
  • Thumbnail for Uraraneida
    Uraraneida Temporal range: Givetian to Kungurian PreꞒ Ꞓ O S D C P T J K Pg N Artist's reconstruction of Attercopus Scientific classification Domain: Eukaryota...
    9 KB (824 words) - 05:08, 28 November 2023
  • Thumbnail for Favosites
    fusiforme F. goldfussi (Lecompte, 1939), from the Emsian, Eifelian and Givetian of the Holy Cross Mountains, is known to be parasitized by Chaetosalpinx...
    7 KB (367 words) - 02:19, 2 April 2024
  • Carboniferous E a r l y M i d d l e L a t e Lochkovian Pragian Emsian Eifelian Givetian Frasnian Famennian         Key events of the Devonian Period. Axis scale:...
    119 KB (6,252 words) - 16:38, 25 April 2024
  • Spitzbergen, Svalbard, Norway. It preserves fossils dating back to the Givetian stage of the Devonian period. It was originally known as the "Wijdefjorden...
    2 KB (105 words) - 08:50, 14 February 2024
  • Thumbnail for Pituriaspis
    the better known of the two. The species lived in estuaries during the Givetian epoch of the Middle Devonian, 390 million years ago in what is now the...
    3 KB (330 words) - 22:31, 17 January 2024
  • Thumbnail for Hexagonaria
    Sedimentation and stratigraphic architecture of a Middle Devonian (late Givetian) transgressive-regressive carbonate-evaporite cycle, Coralville Formation...
    5 KB (329 words) - 16:55, 10 February 2024
  • branches that converge at Cortland, New York, and flow south from there Givetian, also known as Tioughniogan or Tioughnioga stage, the middle stage of the...
    305 bytes (73 words) - 00:51, 22 December 2015
  • Thumbnail for Early Devonian
    Mississippian Přídolí Early Mid Late Early M Lochkovian Pragian Emsian Eifelian Givetian Frasnian Famennian           Subdivision of the Devonian according to the...
    5 KB (380 words) - 16:38, 21 October 2023