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Fifth stage of the devonian and second stage of the Middle Devonian
The Givetian is one of two faunal stages in the Middle Devonian Period. It lasted from 387.95 million years ago to 382.31 million years ago. It was preceded
Givetian
Extinct order of molluscs
Pragian, after 409.1 mya) into the Taghanic event during the upper middle Givetian (between 385 and 384 mya), existing for approximately 25 million years
Agoniatitida
Low mountain range in Belgium, Luxembourg, Germany and France
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
Ardennes
Extinct family of fishes
the type and youngest species, Microbrachius dicki, is known from upper Givetian freshwater strata of Scotland and Estonia. When Microbrachius was regarded
Microbrachiidae
Extinction event in the Middle Devonian
extinction event that occurred about 386 million years ago during the Givetian faunal stage of the Middle Devonian geologic period in the Paleozoic era
Taghanic_event
Extinct genus of brachiopods
appeared during early Givetian, includes the ancestor of Cyrtospirifer. Cyrtospirifer first occurs in western Europe in the Late Givetian. Tenticospirifer
Cyrtospirifer
long-snouted brachythoracid arthrodire placoderm from the Lower Middle Givetian epoch of Middle Devonian South Morocco, in what is now the Anti-Atlas Mountains
Maideria
Geologic formation on the island of Spitzbergen, Svalbard
Spitzbergen, Svalbard, Norway. It preserves fossils dating back to the Givetian stage of the Devonian period. It was originally known as the "Wijdefjorden
Wijde_Bay_Formation
Second of the big five mass extinctions
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
Late_Devonian_mass_extinction
Second epoch of the Devonian period
The Middle Devonian epoch is subdivided into two stages: Eifelian and Givetian. In the Middle Devonian the armored jawless fish known as ostracoderms
Middle_Devonian
the Moscow formation in New York. It preserves fossils going back to the Givetian stage of the middle Devonian. The Windom shale is widely known for its
Windom_shale
Genus of stem-tetrapod from the Middle–Late Devonian
(/ˌhærəˌdʒiːkəˈdɛktiːz/, meaning "Harajica biter") is a genus of stem-tetrapod from the Givetian to Frasnian Amadeus Basin in Northern Territory, Australia. The type and
Harajicadectes
Fourth stage of the Devonian and first stage of the Middle Devonian
million years ago. It was preceded by the Emsian Stage and followed by the Givetian Stage. North American subdivisions of the Eifelian Stage include Southwood
Eifelian
Extinct genus of fishes
United States (Indiana, Iowa, New York), Russia (Siberia). Middle Devonian (Givetian) Phoebodus fastigatus Ginter & Ivanov, 1992. Australia, Mauritania, Morocco
Phoebodus
Devonian sedimentary rocks in South Africa
considered to range between Lower Devonian (Lochkovian) to Middle Devonian (Givetian) in age. The Cape Supergroup rocks were deposited in a purely marine setting
Bokkeveld_Group
Geologic formation in New York, United States
geologic formation in New York. It preserves fossils dating back to the Givetian stage. It represents around 1.5–2 million years of constant deposition
Moscow_Formation
Extinct genus of fishes
is an extinct monotypic genus of dunkleosteid from the Middle Devonian: Givetian aged Guanwu Formation in the Sichuan province of south-western China. The
Kiangyousteus
Rock composed of fossilized coral
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 Kingdom:
Petoskey_stone
Extinct genus of ray-finned fishes
2021 - Givetian of Spitsbergen, Svalbard (Tordalen Formation) †C. trailli Agassiz, 1835 (type species) - Middle Devonian (Eifelian & Givetian) of Scotland
Cheirolepis
Extinct genus of ferns
slabs) and numerous other fragments (Berry, 2000) collected from middle-Givetian strata from the lower member of the Campo Chico Formation (Casas et al
Wattieza
Geologic formation in New York, U.S.
Yan Formation Geneseo Shale Ithaca Formation Oneonta Formation Middle Givetian Tully Limestone Hamilton Group Ashokan Formation Manorkill Formation Moscow
Cattaraugus_Formation
Extinct genus of cartilaginous fish
genus of cartilaginous fish that lived in what is now Estonia during the Givetian stage of the Middle Devonian epoch. The generic name Karksiodus references
Karksiodus
Canadian geological formation and natural gas field
Formation (also Horn River Shale) is a stratigraphic unit of Devonian (early Givetian to late Frasnian) age in the Western Canadian Sedimentary Basin. It is
Horn_River_Formation
Fourth period of the Paleozoic Era
comprised two subdivisions: first the Eifelian, which then gave way to the Givetian at 387.95 Ma. During this time, the jawless agnathan fishes began to decline
Devonian
Extinct genus of fishes
Middle Devonian, Givetian faunal stage of China. Quasipetalichthys is known primarily from two poorly preserved skulls from the Givetian-aged Haikou Formation
Quasipetalichthys
Genus of trilobites
extinction of the last odontopleuroid trilobites during the Devonian (Givetian, Frasnian)". Geological Magazine. 144 (5): 777–796. Bibcode:2007GeoM..144
Leonaspis
Superfamily of single-celled organisms
chomata, parachomate, tectoria, and axial fillings. Range: M Devonian (Givetian) – U Permian (Djulfian ) The Fusulinoidea, as revised in Loeblich and Tappan
Fusulinoidea
Extinct genus of tetrapodomorphs
Formation) †G. elgae Vorobyeva, 1977 - Givetian of Estonia (Burtnieki Formation) †G. groenlandicus Jarvik, 1950 - Givetian of Greenland (Nathorst Fjord Formation)
Gyroptychius
Extinct genus of jawless fishes
which is preoccupied. Muellerina idrisovi is from the Middle Devonian (Givetian) of Tajikistan. I. A. Bardashev; N. P. Bardasheva (2012). Platformennye
Muellerilepis
Extinct genus of fishes
Grossaspis is a monotypic genus of antiarch placoderms known from the Givetian age of Eifel, Germany. It is represented by the single species, Grossaspis
Grossaspis
lungfish from multiple trophic levels, are described from the Devonian (Givetian-Frasnian transition) Kumushka Formation (Nenets Autonomous Okrug, Russia)
2026_in_paleoichthyology
Extinct family of trilobites
(upper Furongian), and persisted until the end of the Middle Devonian (Givetian). Currently about 657 species assigned to 99 genera are included. The subfamily
Cheiruridae
Genus of trilobites
the Eifelian. The phacopids returned to North America during the early Givetian with the emigration of Eldredgeops species from Morocco. The species included
Eldredgeops
Extinct genus of centipede
Crussolum Temporal range: Ludfordian–Givetian PreꞒ Ꞓ O S D C P T J K Pg N Reconstruction of a generalised Crussolum leg Scientific classification Kingdom:
Crussolum
Extinct genus of cartilaginous fishes
acanthodian fish which lived from the Silurian (Wenlock) to the Middle Devonian (Givetian). Members of the genus include Nostolepis gracilis and Nostolepis striata
Nostolepis
Yan Formation Geneseo Shale Ithaca Formation Oneonta Formation Middle Givetian Tully Limestone Hamilton Group Ashokan Formation Manorkill Formation Moscow
Tristates_Group
Geologic formation in the United States
Minnesota Pz D Upper Frasnian Lithograph City Formation (in part) Middle Givetian Coralville Formation Lithograph City Formation (in part) Little Cedar Formation
Little_Cedar_Formation
Division of non-vascular land plants
time to the liverworts were announced, Metzgeriothallus sharonae from the Givetian (Middle Devonian) of New York, United States. However, in 2010, five different
Liverwort
Geologic formation in Iowa and Minnesota, United States
Minnesota Pz D Upper Frasnian Lithograph City Formation (in part) Middle Givetian Coralville Formation Lithograph City Formation (in part) Little Cedar Formation
Spillville_Formation
Extinct genus of fishes
Fossils are found in Frasnian strata of New York and Pennsylvania, and Givetian strata of Wisconsin and Michigan. It is a fairly large species, though
Holonema
First epoch/series of the Devonian
Devonian C M Early Mid Late Early M Lochkovian Pragian Emsian Eifelian Givetian Frasnian Famennian S Přídolí ← Hangenberg event, Famennian glaciation
Early_Devonian
Clade of tetrapodomorphs
inland freshwater mode of living. Fossils of Panderichthys are dated to the Givetian (around 385 million years old) or the Frasnian (around 380–375 million
Elpistostegalia
Genus of jawless fishes
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
Pituriaspis
Sedimentary basin of Devonian age in Scotland, UK
period, approximately equivalent to the whole of the Eifelian and early Givetian, saw the development of a large lake, that covered most of the basin at
Orcadian_Basin
System that relates geologic strata to time
ostracods and sharks. 372.15 ± 0.46 * Frasnian 382.31 ± 1.36 * Middle Givetian 387.95 ± 1.04 * Eifelian 393.47 ± 0.99 * Lower/Early Emsian 410.62 ± 1
Geologic_time_scale
Middle Devonian age unit of sedimentary rock
when Emsian and Eifelian Schoharie/Onondaga fauna were replaced by the Givetian Hamilton fauna. The Solsville member contains well preserved bivalves,
Marcellus_Formation
Extinct genus of molluscs
fast-moving nektonic carnivore shelled ammonoids. They lived in the Eifelian and Givetian ages of the middle Devonian period, which occurred 385.3-397.5 million
Agoniatites
Extinct genus of basal actinopterygian
basal ray-finned fish that lived in what is now Antarctica during the Givetian stage of the Middle Devonian epoch. Phylogenetic analysis indicates that
Donnrosenia
First age of the Late Devonian epoch
million years ago to 372.15 million years ago. It was preceded by the Givetian Stage and followed by the Famennian Stage. Major reef-building was under
Frasnian
Geologic Formation dating back to the Devonian Period in Michigan
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
Bell_Shale
Extinct family of fishes
Quasipetalichthyidae is an extinct family of primitive petalichthyid placoderms from Givetian-aged marine strata of Yunnan, China, and possibly Vietnam. The family differ
Quasipetalichthyidae
Body variation
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
Cephalopod_size
Extinct genus of tetrapodomorphs
of prehistoric tetrapodomorphs which lived during the Devonian period (Givetian - Frasnian stages, about 374 to 391 million years ago). This species is
Livoniana
Family of shelled animals
)] †Deliella Halamski, 2004 [Lower Devonian (Emsian) – Middle Devonian (Givetian)] †Isocrania Jäkel, 1902 [Upper Cretaceous (Campanian) – Paleocene (Danian
Craniidae
Geologic formation of Givetian age
as the Prairie Formation, is a geologic formation of Middle Devonian (Givetian) age that consists primarily of halite (rock salt) and other evaporite
Prairie_Evaporite_Formation
Genus of trilobites
Fossils of Coronura have also been found in Indiana, and in the Emsian to Givetian Floresta Formation, Altiplano Cundiboyacense, Colombia. Paleontology portal
Coronura
Extinct order of tetrapodomorphs
predatory tetrapodomorphs known from many areas of the world from the Givetian through to the Pennsylvanian - they lived from around 377-310 million years
Rhizodontida
Foreknobs Formation Greenland Gap Group Harrel Shale Scherr Formation Middle Givetian Mahantango Formation Eifelian Marcellus Shale Needmore Shale Lower Emsian
Rockwell_Formation
Mountain in Lower Saxony, Germany
the Harz High Road. The Iberg is an old coral reef that emerged in the Givetian/Frasnian (Devonian) stages, that was created as an atoll in the middle
Iberg_(Harz)
Eifelian-Early Frasnian Río Cachirí Caño del Oeste Formation Eifelian-Givetian Caño Grande Formation Pragian-Eifelian El Horno Formation Llandovery-Ludlow
List of fossiliferous stratigraphic units in Venezuela
List_of_fossiliferous_stratigraphic_units_in_Venezuela
Genus of trilobite
the youngest fossils date to around 386 million years ago, in the lower Givetian; it is believed that the genus Radiaspis and several other trilobite genera
Radiaspis
Widespread geologic group in the Southeastern United States
Formation D Upper Famennian New Albany Shale Frasnian New Albany Shale Middle Givetian Cedar Valley Limestone St. Laurent Formation Eifelian Grand Tower Limestone
Knox_Supergroup
Extinct genus of fishes
placoderm arthrodire which was relatively widespread in Euramerica during the Givetian to Frasnian ages of the Devonian. It was a small placoderm, with P. canadensis
Plourdosteus
1134/S0031030125601094. Halamski, A. T.; Baliński, A.; Racki, G. (2026). "Late Givetian brachiopods from Górno (Holy Cross Mountains, Poland) and the continuous
2026_in_paleontology
Geologic formation in Michigan
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
Ferron_Point_Formation
Geologic formation in Michigan, United States
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
Lime_Island_Formation
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
Copper_Harbor_Conglomerate
Extinct clade of sponges
Order Syringostromatida [middle Silurian (Wenlock) – Middle Devonian (Givetian), Upper Devonian? (Famennian)] incertae sedis: Clavidictyon Eostachyodes
Stromatoporoidea
Extinct genus of Devonian plants
Runcaria Temporal range: Givetian PreꞒ Ꞓ O S D C P T J K Pg N Runcaria appears to be a transitional fossil precursor of seed plants Scientific classification
Runcaria
Extinct arthropod genus
Devonian in age though some fossil contents give estimation between the Givetian to the Frasnian. The two species were named after Australian musicians
Maldybulakia
Subclass of fishes
elasmobranch, Phoebodus, has its earliest records in the Middle Devonian (late Givetian), around 383 million years ago. Several important groups of total group
Elasmobranchii
Extinct genus of jawless fishes
Pycnosteus Temporal range: Eifelian–Givetian PreꞒ Ꞓ O S D C P T J K Pg N Pycnosteus tuberculata Scientific classification Kingdom: Animalia Phylum: Chordata
Pycnosteus
Geologic formation in Ohio
Java Formation West Falls Group Angola Shale Rhinestreet Shale Middle Givetian Tully Formation Mahantango Formation Olentangy Shale (lower) Plum Brook
Arnheim_Formation
Geologic formation in Michigan, United States
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
Pewamo_Formation
curvatus is a large, extinct holonematid arthrodire placoderm from the Givetian-aged Crinoidenmergel stratum of Middle Devonian Rheinland, Germany. T.
Tropidosteus
Geological formation in the United States
Brallier Formation Foreknobs Formation Millboro Shale Pound Formation Middle Givetian Mahantango Formation Millboro Shale Eifelian Huntersville Chert Tioga Bentonites
Bowen_Formation
Geologic group in West Virginia, United States
Formation Rhinestreet Sonyea Formation Harrell Shale Genesee Formation Middle Givetian Tully Limestone Hamilton Group Eifelian Hamilton Group Marcellus Shale
Conasauga_Group
Geological formation in the Colombian Andes
sandstone beds dates to the Devonian period; Late Emsian, Eifelian and Early Givetian epochs, and has a maximum thickness of 600 metres (2,000 ft). The unit
Floresta_Formation
Large Geologic Group
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
Salina_Group
Geological formation in the United States
Java Formation West Falls Group Angola Shale Rhinestreet Shale Middle Givetian Tully Formation Mahantango Formation Olentangy Shale (lower) Plum Brook
Chagrin_Shale
Third stage of the Devonian
agoniatitid ammonoids would die out in the Taghanic event in the upper middle Givetian. Goniatite ammonoids would give rise to further ammonoid orders, thus starting
Emsian
Pennsylvania Geologic Formation
Shale / Geneseo Shale Knapp Conglomerate Murrysville Sandstone Middle Givetian Tully Limestone Hamilton Group Moscow Formation Ludlow Formation Skaneateles
Bellefonte_Formation
Third period of the Paleozoic Era
diverse epibionts: dominance and syn vivo encrustation in a Middle Devonian (Givetian) soft-bottom habitat of the Holy Cross Mountains, Poland". Palaeogeography
Silurian
Geologic formation in the United States
Yan Formation Geneseo Shale Ithaca Formation Oneonta Formation Middle Givetian Tully Limestone Hamilton Group Ashokan Formation Manorkill Formation Moscow
Middlesex_Formation
Bioevent or series of events that occurred close to the end of the Eifelian Age
towards the end of the Eifelian age, extending into the earliest part of the Givetian age, in the mid-Devonian period. The duration of the event has been estimated
Kačák_event
Rapid decrease in Earth's biodiversity
(1982) did not initially consider the Late Devonian extinction interval (Givetian, Frasnian, and Famennian stages) to be statistically significant. Regardless
Extinction_event
Geologic formation in Michigan, USA
Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone Middle Givetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone
St._Ignace_Dolomite
Group in Orkney Islands, Scotland
Sandstone Formation laid down in the shallow Orcadian Basin during the Givetian stage of the Devonian period. The sediments vary from fluvial to lacustrine
Eday_Group
Extinct genus of bony fishes
Period, from the early Eifelian to the Givetian Age. The following species are known: †G. baltica Gross, 1936 - Givetian of Latvia (Lode Formation) †G. groenlandica
Glyptolepis_(fish)
Geologic unit found in the Illinois Basin, U.S.
Formation D Upper Famennian New Albany Shale Frasnian New Albany Shale Middle Givetian Cedar Valley Limestone St. Laurent Formation Eifelian Grand Tower Limestone
Pope_Mega_Group
Order of brachiopods
last spiriferinides are known from the Toarcian. Cyrtina multiplicata (Givetian, Spain), articulated shell in dorsal view An oblique view, showing the
Spiriferinida
Extinct genus of centipede
Devonobius Temporal range: Givetian PreꞒ Ꞓ O S D C P T J K Pg N Fossil specimens of Devonobius Diagram of known parts of Devonobius Scientific classification
Devonobius
Genus of extinct fish
genus of arthrodire placoderm fish which existed in Antarctica during the Givetian age of the Devonian period. The type species Antarctaspis mcmurdoensis
Antarctaspis
Extinct genus of fishes
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
Microbrachius
Genus of extinct placoderms
freshwater strata of Australia. The type species, A. ritchiei is found in Givetian to early Frasnian-aged freshwater strata near what is now Mount Howitt
Austrophyllolepis
Extinct genus of trilobites
Viaphacops Temporal range: Lochkovian-Givetian ~388–383 Ma PreꞒ Ꞓ O S D C P T J K Pg N Viaphacops multicinctus, derived intact length 45mm,↑lateral, ↓dorsal
Viaphacops
Reproductive structure in plants
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
Seed
Devonian geologic unit in the Appalachian basin
Yan Formation Geneseo Shale Ithaca Formation Oneonta Formation Middle Givetian Tully Limestone Hamilton Group Ashokan Formation Manorkill Formation Moscow
Genesee_Formation
Topics referred to by the same term
the Northwest Territories Nahanni Formation, a stratigraphical unit of Givetian age in the Western Canadian Sedimentary Basin 1985 Nahanni earthquakes
Nahanni_(disambiguation)
Extinct genus of fishes
Cowralepis is an extinct genus of phyllolepid placoderm of Givetian Cowra, New South Wales, and several juveniles of various stages of growth have also
Cowralepis
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