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Extinct agnathan chordates resembling eels
Conodonts are an extinct group of marine jawless vertebrates belonging to the class Conodonta (from Ancient Greek κῶνος (kōnos), meaning "cone", and ὀδούς
Conodont
Use of a particular fossil class to identify stratigraphy
Conodonts are an extinct class of animals whose feeding apparatuses called teeth or elements are common microfossils found in strata dating from the Stage
Conodont_biostratigraphy
Paraphyletic infraphylum of fish
(cyclostomes such as hagfishes and lampreys) and extinct clades (e.g. conodonts and cephalaspidomorphs, among others). They are sister to vertebrates
Agnatha
Venomous Conodont from the Early Paleozoic
compared to the more slender bodies of more advanced conodonts. It also revealed that this conodont was a macrophagous predator, meaning it went after large
Panderodus
The Conodont Alteration Index (CAI) is used to estimate the maximum temperature reached by a sedimentary rock using thermal alteration of conodont fossils
Conodont_Alteration_Index
This is a list of conodonts genera, sorted in alphabetical order. †Acanthodus †Acodus †Acuminatella †Alternognathus †Amorphognathus †Ancyrodella †Ancyrognathus
List_of_conodont_genera
Extinct genus of Conodont
Iowagnathus is an extinct genus of large macropredatory conodont (an extinct group of agnathans) known mainly from Ordovician strata in North America,
Iowagnathus
Extinct genus of jawless fishes
Scotlandia is an extinct genus of conodonts in the family Prioniodinidae. Structure and evolution of Ordovician conodont apparatuses. Christopher R Barnes
Scotlandia_(conodont)
Possible mollusk from the Carboniferous of Montana
Limestone, United States. It was once thought to be the first body fossil of a conodont, based on what turned out to be its gut contents; it is now thought to
Typhloesus
Fifth stage of the Carboniferous
Russia. The base of the Moscovian is close to the first appearances of the conodonts Declinognathodus donetzianus and Idiognathoides postsulcatus or otherwise
Moscovian_age
Final stage of the Devonian
divides the Famennian into four informal substages based primarily on conodont zonation. The Famennian corresponds to four historical subdivisions in
Famennian
Origin and diversification of fish through geologic time
Haikouichthys. During the late Cambrian, eel-like jawless fish called the conodonts, and small mostly armoured fish known as ostracoderms, first appeared
Evolution_of_fish
Species of fish (fossil)
Hindeodus is an extinct genus of conodonts in the family Anchignathodontidae. The generic name Hindeodus is a tribute to George Jennings Hinde, a British
Hindeodus
Subphylum of chordates
vertebrates. A vertebrate group of uncertain phylogeny, small eel-like conodonts, are known from microfossils of their paired tooth segments from the late
Vertebrate
Sixth and last period of the Paleozoic Era
datum of specific species of conodont, an enigmatic group of jawless chordates with hard tooth-like oral elements. Conodonts are used as index fossils for
Permian
Fifth period of the Paleozoic Era
Montagne Noire, southern France. It is defined by the first appearance of the conodont Siphonodella sulcata within the evolutionary lineage from Siphonodella
Carboniferous
American geologist (1937–2014)
mapmaker. She devised the Conodont Alteration Index, a method of determining the heat exposure of buried rock, by analyzing conodont fossils. Her work, which
Anita_G._Harris
Extinct genus of jawless fishes
Mazzaella is an extinct genus of Late Triassic ozarkodinid conodonts in the family Gondolellidae. They are found in mid-Julian sediments of the Tethys
Mazzaella_(conodont)
Geological hoax in India
and Willi Ziegler had suspected foul play as they noticed that Gupta's conodont fossils were similar to those collected by George Jennings Hinde from Buffalo
Himalayan_fossil_hoax
Extinct order of conodonts
Proconodontida is an order of conodonts which originated in the late Cambrian (Furongian) and persisted partly through the Ordovician. The ancestral proconodont
Proconodontida
Final stage of the Cambrian Period
discussed (see below). The upper boundary is defined as the appearance of the conodont Iapetognathus fluctivagus which marks the beginning of the Tremadocian
Cambrian_Stage_10
evidence of affinities of Carboniferous conodont assemblages from the Río Nevado Formation (Colombia) with conodonts from the North American Midcontinent
2026_in_paleontology
The Šilalė Event was an extinction event affecting conodonts during the Přídolí, the final stage of the Silurian period. The Šilalė Event, first identified
Šilalė_Event
Extinct genus of jawless fishes
Siphonodella is an extinct genus of conodonts. Siphonodella banraiensis is from the Late Devonian of Thailand. Siphonodella nandongensis is from the Early
Siphonodella
Extinct order of conodonts
Protopanderodontida is an order of conodonts which lived from the Furongian (Late Cambrian) to the Wenlock (mid-Silurian). They had a relative simple
Protopanderodontida
Extinct clade of conodonts
Prioniodontida, also known as the "complex conodonts", is a large clade of conodonts that includes two major evolutionary grades; the Prioniodinina and
Prioniodontida
Second period of the Paleozoic Era
the period there were mass-extinction events that seriously affected conodonts and planktonic forms like graptolites. The trilobites Agnostida and Ptychopariida
Ordovician
Fourth stage of the Carboniferous
appearance of conodont species Declinognathodus noduliferus. The top of the stage (the base of the Moscovian) is at the first appearance of the conodonts Declinognathodus
Bashkirian
Latest age of the Triassic Period
defined based on the first appearance of Misikella posthernsteini, a marine conodont. However, there is still much debate over the age of this boundary, as
Rhaetian
[[Silurian]] aged formation
The Irondequoit Formation is a geologic formation in the Eastern United States and Canada. The Irondequoit is a mapped unit of Limestone with outcrops
Irondequoit_Formation
First of three relatively minor extinction events during the Silurian period
where over 50% of trilobite species became extinct; 80% of the global conodont species also became extinct in this interval. The event lasted around 200
Ireviken_event
Fossil that requires the use of a microscope to see
and zones. Species of microfossils such as acritarchs, chitinozoans, conodonts, dinoflagellate cysts, ostracods, pollen, spores and foraminiferans are
Microfossil
Sixth stage of the Permian
Stage is defined as the place in the stratigraphic record where fossils of conodont species Jinogondolella aserrata first appear. The global reference profile
Wordian
Third and final series of the Permian
Conodonts would reach their all-time low during this period. Despite this, they are recovered from most marine Permian localities. Common conodonts from
Lopingian
Ninth and last stage of the Permian
The base of the Changhsingian Stage is at the first appearance of the conodont species Clarkina wangi. The global reference profile is profile D at Meishan
Changhsingian
Seventh and final stage of the Carboniferous
appearance of the conodont Streptognathodus zethus. The top of the stage (the base of the Permian system) is at the first appearance of the conodont Streptognathodus
Gzhelian
Second stage of the Carboniferous
the Serpukhovian and Namurian) is laid at the first appearance of the conodont Lochriea ziegleri, or at the base of the biozone of goniatite Cravenoceras
Viséan
Extinct genus of jawless fishes
Scaliognathus is an extinct genus of conodonts. The Tournaisian, the oldest age of the Mississippian contains eight conodont biozones, one of which is the zone
Scaliognathus
First Series of the Silurian
event which killed off 50% of trilobite species, and 80% of the global conodont species. The end of the Ordovician–Silurian extinction event occurred when
Llandovery_Epoch
Genus of Conodont
Promissum is an extinct genus of conodonts, primitive chordates, that lived during the Upper Ordovician period. A conodont, Promissum had a primitive mouth
Promissum
Gill-bearing non-tetrapod aquatic vertebrates
fossil record. During the late Cambrian, other jawless forms such as conodonts appear. Jawed vertebrates appear in the Silurian, with giant armoured
Fish
Final Series (Epoch) of the Silurian
negative carbon isotope excursion corresponding to an extinction event of conodonts, occurred during the early Pridoli. The Pridoli Series has not yet been
Pridoli_Epoch
informal organisation founded in 1967 for the promotion of the study of conodont palaeontology. It publishes an annual newsletter. Although there are regular
Pander_Society
Extinct order of chordates
probable chordates, closely related or ancestral to euconodonts (true conodonts). The order contains the superfamily Furnishinacea, itself containing
Paraconodontida
Second stage of the Permian
The base of the Sakmarian Stage is defined by the first appearance of conodont species Streptognathodus postfusus in the fossil record. A global reference
Sakmarian
Topics referred to by the same term
exchanges between two or more interdependent groups Platform conodonts, a type of conodonts with highly evolved feeding elements Platform, a shopping mall
Platform
iommii † Rasmussen, Eriksson & Lindskog, 2021 Fish Tony Iommi A fossil conodont from the Ordovician of Leningrad Oblast, Russia. "Named in honour of legendary
List of organisms named after famous people (born 1925–1949)
List_of_organisms_named_after_famous_people_(born_1925–1949)
Second age of the late Triassic
Klamathites macrolobatus and Stikinoceras kerri, and at the base of the conodont biozones of Metapolygnathus communisti and Metapolygnathus primitius. A
Norian
Fourth period of the Paleozoic Era
was the driest. Reconstruction of tropical sea surface temperature from conodont apatite implies an average value of 30 °C (86 °F) in the Early Devonian
Devonian
Geologic formation in Brazil
comprises deep marine black shales and sandstones. The formation has provided conodont fossils of: Mehlina gradata Ozarkodina aff. sannemanni Cryptotaxis sp.
Barreirinha_Formation
Geologic formation in Alabama, Arkansas, Illinois, Missouri, Oklahoma and Tennessee
Retrieved 4 February 2018. Craig, William (1968). The stratigraphy and conodont paleontology of Ordovician and Silurian strata, Batesville district, Independence
Fernvale_Limestone
First epoch of the Ordovician period
subdivisions in 1974. The boundaries were established by the fauna of conodonts and/or graptolites. In 1995, the Subcommission on Ordovician Stratigraphy
Early_Ordovician
Supplement to systematics of conodonts. KJ Müller and RC Moore, in Treatise on invertebrate paleontology, Part W: Miscellanea : Conodonts Conoidal Shells of Uncertain
1962_in_paleontology
Superclass of jawless fishes
jawed fish, including conodonts and anaspids. The presence of mineralised elements in these jawless fish, like the oral conodont elements and the armoured
Cyclostomi
German paleontologist
paleontologist. In 1969, he described the conodont genus Protognathodus. In 1984, with Charles A. Sandberg, he described the conodont genus Alternognathus. In 2002
Willi_Ziegler
Third period of the Paleozoic Era
although this corresponded to sharp decline of jawless fish such as conodonts and ostracoderms. The Silurian system was first identified by the Scottish
Silurian
Extinct genus of jawless fishes
Streptognathodus is an extinct genus of conodonts from the Late Carboniferous to Early Permian. The top of the Kasimovian stage is close to the first
Streptognathodus
Second of the big five mass extinctions
Further taxa to be starkly affected include the brachiopods, ammonites, conodonts, acritarch and graptolites. Cystoids disappeared during this event. The
Late_Devonian_mass_extinction
Geologic formation in the United States
Fossils occurring in the Kimmswick include corals, bryozoans, brachiopods, conodonts, trilobites, crinoids and mollusks. The following fossils have been reported
Kimmswick_Limestone
Geologic formation in Wisconsin
fossils dating back to the Silurian period, including those of graptolites, conodonts and Parioscorpio. Earth sciences portal Paleontology portal List of fossiliferous
Brandon_Bridge_Formation
First stage of the Permian
defined as the point in the stratigraphic record where fossils of the conodont Streptognathodus isolatus first appear. The global reference profile for
Asselian
Peninsula in Nunavut, Canada
Silurian rocks are identified (Middle Ordovician is not exposed). Over 1000 conodont fossils of 37 species in 28 genera were collected from these strata. Genera
Boothia_Peninsula
has focused on the conodont palaeobiology and the early Palaeozoic radiation of vertebrates. He is known for discovering that conodont teeth were made of
M._Paul_Smith
Genus of jawless fish
Nealeodus is a genus of conodonts which existed in what is now Canada during the middle Ordovician. It was described as a new genus for the species Lenodus
Nealeodus
British paleontologist (1937–2024)
systems), Paleozoic stratigraphy and the description of the anatomy of the Conodont animal. Clarkson had a sustained record of publication and teaching, authored
Euan_Clarkson
First of three epochs of the Triassic Period
gastropods, ammonoids, echinoids, and a few articulate brachiopods. Conodonts experienced a revival in diversity following a nadir during the Permian
Early_Triassic
First age of the Middle Ordovician epoch
(and the top of the Floian) is defined as the first appearance of the conodont species Baltoniodus triangularis which happened about 471.3 million years
Dapingian
Philip, he described the conodont family Cryptotaxidae and the conodont genus Cryptotaxis. In 1981, he described the conodont families Distomodontidae
Gilbert_Klapper
Extinct genus of jawless fishes
Idiognathoides is an extinct genus of conodonts. Glen K. Merrill stated in 1963 that "conodont workers have considered Idiognathoides to be a junior synonym
Idiognathoides
Study of rock layers and their formation
for the estimation of sediment-accumulation rates. Assise Bed (geology) Conodont biostratigraphy Erygmascope (old instrument for studying strata) Harris
Stratigraphy
Fourth stage of the Permian
stratigraphic record where fossils of conodont species Jinogondolella nanginkensis first appear. The Kungurian contains three conodont biozones: zone of Neostreptognathodus
Kungurian
Anoxic event causing mass extinctions during the Silurian period
deposition of the Fröjel Formation in Gotland. Perceived extinction in the conodont fauna, however, likely represent a change in the depositional environment
Mulde_event
Age in the Early Triassic epoch
of the ammonoids Hedenstroemia or Meekoceras gracilitatis, and of the conodont Neospathodus waageni. It is defined as ending near the lowest occurrences
Olenekian
Clade of vertebrates
†Zhongxiniscus? Jawless fish Cyclostomata Hagfish Hyperoartia Lamprey †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi
Rhipidistia
Relatively minor mass extinction during the Silurian period
and Lau events) during the Silurian period. It had a major effect on the conodont fauna, but barely scathed the graptolites, though they suffered an extinction
Lau_event
American paleontologist
paleontologist. In 1981, he described the conodont family Paracordylodontidae. In 1974, he described the multielement conodont genus Appalachignathus from the Middle
Stig_Bergström
of prehistoric jawless fish genera List of acanthodian genera List of conodont genera List of placoderm genera List of chitinozoan genera List of eurypterid
Lists_of_prehistoric_animals
Lowest stage of Ordovician
The base of the Tremadocian is defined as the first appearance of the conodont species Iapetognathus fluctivagus at the Global Boundary Stratotype Section
Tremadocian
evolution of the conodont feeding apparatus is presented by Shirley et al. (2024). A study on changes of composition of Ordovician conodont assemblages from
2024_in_paleontology
Seventh stage of the Permian geologic period
Stage is defined as the place in the stratigraphic record where fossils of conodont species Jinogondolella postserrata first appear. The global reference profile
Capitanian
Second era of the Phanerozoic Eon
span formality Formal Lower boundary definition First appearance of the Conodont Hindeodus parvus. Lower boundary GSSP Meishan, Zhejiang, China 31°04′47″N
Mesozoic
American paleontologist
1933, he and Branson described the conodont Wurmiella excavata. In 1934, with Branson, he described the conodont genera Pseudopolygnathus and Ancyrognathus
Maurice_Mehl
Earth's most severe extinction event
extinction, and recovery at millennial timescales. The first appearance of the conodont Hindeodus parvus has been used to delineate the Permian-Triassic boundary
Permian–Triassic extinction event
Permian–Triassic_extinction_event
First age of the Late Triassic epoch
ammonite biozones of Klamathites macrolobatus or Stikinoceras kerri and the conodont biozones of Metapolygnathus communisti or Metapolygnathus primitius. There
Carnian
Island in the Bering Strait off Alaska, U.S.
Bedrock Geologic Map of the Seward Peninsula, Alaska, and Accompanying Conodont Data, Pamphlet to accompany Scientific Investigations Map 3131, USGS Gualtieri
Little_Diomede_Island
Eighth stage of the Permian
Wuchiapingian Stage is defined as the place in the stratigraphic record where the conodont species Clarkina postbitteri postbitteri first appears. A global reference
Wuchiapingian
Geological formation in Brazil
fishes, conodonts, ammonites, and probably polychaete worms and ostracods inhabited the water column, although organisms such as ammonites and conodonts preferred
Lontras_Shale_Lagerstätte
First period of the Mesozoic Era
with a mass extinction, which was particularly severe in the oceans; the conodonts disappeared, as did all the marine reptiles except ichthyosaurs and plesiosaurs
Triassic
Third and final epoch of the Triassic Period
1990s, conodonts became increasingly important in the Triassic timescale, and the base of the Rhaetian is now set at the first appearance of a conodont, Misikella
Late_Triassic
Second series and epoch of the Permian
Stage is defined as the place in the stratigraphic record where fossils of conodont species Jinogondolella aserrata first appear. The global reference profile
Guadalupian
First era of the Phanerozoic Eon
Permian and Triassic periods is marked by the first occurrence of the conodont Hindeodus parvus. This is the first biostratigraphic event found worldwide
Paleozoic
Regional nature reserve and fossil site in Normandie, France
extraction site of Ordovician limestone, renowned for its microfossils of conodonts. By its size, it is the third smallest regionale nature reserve in France
Géologique de Normandie-Maine Regional Nature Reserve
Géologique_de_Normandie-Maine_Regional_Nature_Reserve
Stage of the Triassic
the Middle Triassic series) is sometimes laid at the first appearance of conodont species Chiosella timorensis in the stratigraphic record. Other stratigraphers
Anisian
Frasnian conodonts from the Spanish Pyrenees, providing evidence of regional variations in the impact of major Givetian Global Events on conodont diversity
2025_in_paleontology
Second and last age of the Early Ordovician epoch
base of the Dapingian stage is defined as the first appearance of the conodont species Baltoniodus triangularis at the GSSP in the Huanghuachang Section
Floian
Cooper (2014). "Furongian (late Cambrian) brachiopods and associated conodonts from the Takaka Terrane in the Springs Junction – Maruia area, South Island
2014_in_paleontology
Fifth stage of the Permian
Roadian is defined as the place in the stratigraphic record where fossils of conodont species Jinogondolella nankingensis first appears. The global reference
Roadian
Extinct genus of soft-bodied sea animals
interpretations of the fossil have likened it to molluscs, arthropods, conodonts, worms, tunicates, and vertebrates. This creature had a mostly cigar-shaped
Tullimonstrum
Geologic formation in the U.S. states of Montana, Wyoming, Idaho, and Utah
manufacturing detergents. The Park City Formation also has a plentiful conodont and cephalopod record. The latest Permian beds of the Park City Formation
Park_City_Formation
Extinct order of cartilaginous fishes
†Zhongxiniscus? Jawless fish Cyclostomata Hagfish Hyperoartia Lamprey †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi
Petalodontiformes
CONODONT
CONODONT
CONODONT
CONODONT
Female
Hebrew
(×וּמָרִית) Hebrew name UMARIT means "sheaf."
Biblical
fire of Jehovah,Jehovah-given
Girl/Female
English
A climbing evergreen ornamental plant.
Surname or Lastname
English
English : variant spelling of Bligh.German : variant of Blei, Bley, a metonymic occupational name for a lead miner or lead worker, from Middle High German blī ‘lead’.Dutch : nickname for a cheerful, happy man, Dutch blij.Swedish : possibly German in origin (see 2 above) or a soldier’s name.Americanized form of a Norwegian habitational name from a farmstead in Hardanger named Bleie, from a river name from Old Norse bleikr ‘gray’, ‘pale’ + vin ‘meadow’.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Sanskrit, Telugu
One who Brought River Ganga to the Earth; An Ancient King
Girl/Female
Hindu, Indian, Sanskrit
Victorious Wind
Boy/Male
British, English, Indian, Sanskrit
One who Gives Cows
Girl/Female
Tamil
Ranvitha | ரநà¯à®µà®¿à®¤à®¾
Happy, Joyous
Girl/Female
Irish American French Gaelic Greek Latin
meaning pure.
Boy/Male
Tamil
Someone who is religiously inclined, God gift (Celebrity Name: Emraan Hashmi)
CONODONT
CONODONT
CONODONT
CONODONT
CONODONT
n.
A peculiar toothlike fossil of many forms, found especially in carboniferous rocks. Such fossils are supposed by some to be the teeth of marsipobranch fishes, but they are probably the jaws of annelids.