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Graptolithina

Index Graptolithina

Graptolithina is a subclass of the class Pterobranchia, the members of which are known as graptolites. [1]

92 relations: Abereiddy, Acorn worm, Amino acid, Animal, Appendage, Asexual reproduction, Asymmetry, Australia, Benthic zone, Buoyancy, Cambrian, Cambrian Series 3, Carbonaceous film (paleontology), Carboniferous, Carl Linnaeus, Cephalodiscus, Chert, Chitin, Chordate, Class (biology), Collagen, Crucifixion, Dendrite, Deuterostome, Developmental biology, Devonian, Didymograptus, Dob's Linn, Dyfed, Electron microscope, Epibiont, Evolutionary developmental biology, Facies, Fossil, Geologic time scale, Gill slit, Glacier, Gonopore, Greek language, Hedgehog signaling pathway, Hemichordate, Hirnantian, Hydrozoa, Ice age, Incertae sedis, International Code of Zoological Nomenclature, Iron, Larva, Life: A Natural History of the First Four Billion Years of Life on Earth, Limestone, ..., List of graptolite genera, List of index fossils, Logogram, Mesopelagic zone, Mineralization (biology), Mississippian (geology), Modularity, Monopodial, Nervous system, Neural tube, Ontogeny, Ordovician, Ordovician radiation, Oviparity, Oxygen, Paleozoic, Pelagic zone, Plankton, Plant, Planula, Pterobranchia, Pyrite, Rhabdopleura normani, Rhabdopleurida, Rowing, Sediment, Sessility (motility), Sexual dimorphism, Shale, Silurian, Southern Uplands, Stolon, Stratum, Sympodial, Systema Naturae, Tectonics, Theca, Treatise on Invertebrate Paleontology, Victoria (Australia), Wales, Zooid, Zooplankton. Expand index (42 more) »

Abereiddy

Abereiddy (usual Welsh spelling: Abereiddi) is a hamlet in the county of Pembrokeshire, in south-west Wales.

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Acorn worm

The acorn worms or Enteropneusta are a hemichordate class of invertebrates consisting of one order of the same name.

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Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Animal

Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.

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Appendage

In invertebrate biology, an appendage (or outgrowth) is an external body part, or natural prolongation, that protrudes from an organism's body (in vertebrate biology, an example would be a vertebrate's limbs).

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Asexual reproduction

Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.

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Asymmetry

Asymmetry is the absence of, or a violation of, symmetry (the property of an object being invariant to a transformation, such as reflection).

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Benthic zone

The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.

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Buoyancy

In physics, buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object.

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Cambrian

The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.

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Cambrian Series 3

Cambrian Series 3 is the still unnamed 3rd Series of the Cambrian.

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Carbonaceous film (paleontology)

A carbonaceous film or carbon film is an organism outline of a fossil.

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Carboniferous

The Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period million years ago (Mya), to the beginning of the Permian Period, Mya.

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Carl Linnaeus

Carl Linnaeus (23 May 1707 – 10 January 1778), also known after his ennoblement as Carl von LinnéBlunt (2004), p. 171.

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Cephalodiscus

Cephalodiscus is a genus of hemichordates in the order Cephalodiscida.

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Chert

Chert is a fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline silica, the mineral form of silicon dioxide (SiO2).

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Chitin

Chitin (C8H13O5N)n, a long-chain polymer of ''N''-acetylglucosamine, is a derivative of glucose.

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Chordate

A chordate is an animal belonging to the phylum Chordata; chordates possess a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail, for at least some period of their life cycle.

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Class (biology)

In biological classification, class (classis) is a taxonomic rank, as well as a taxonomic unit, a taxon, in that rank.

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Collagen

Collagen is the main structural protein in the extracellular space in the various connective tissues in animal bodies.

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Crucifixion

Crucifixion is a method of capital punishment in which the victim is tied or nailed to a large wooden beam and left to hang for several days until eventual death from exhaustion and asphyxiation.

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Dendrite

Dendrites (from Greek δένδρον déndron, "tree"), also dendrons, are branched protoplasmic extensions of a nerve cell that propagate the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project.

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Deuterostome

Deuterostomes (taxonomic term: Deuterostomia; meaning "second mouth" in Greek) are any members of a superphylum of animals.

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Developmental biology

Developmental biology is the study of the process by which animals and plants grow and develop.

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Devonian

The Devonian is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya.

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Didymograptus

Didymograptus is an extinct genus of graptolites with four rows of cups.

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Dob's Linn

alt.

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Dyfed

Dyfed is a preserved county of Wales. It was created on 1 April 1974, as an amalgamation of the three pre-existing counties of Cardiganshire, Carmarthenshire and Pembrokeshire. It was abolished twenty-two years later, on 1 April 1996, when the three original counties were reinstated, Cardiganshire being renamed Ceredigion the following day. The name "Dyfed" is retained for certain ceremonial and other purposes. It is a mostly rural county in southwestern Wales with a coastline on the Irish Sea and the Bristol Channel.

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Electron microscope

An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination.

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Epibiont

An epibiont (from the Ancient Greek meaning living on top of) is an organism that lives on the surface of another living organism.

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Evolutionary developmental biology

Evolutionary developmental biology (informally, evo-devo) is a field of biological research that compares the developmental processes of different organisms to infer the ancestral relationships between them and how developmental processes evolved.

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Facies

In geology, a facies (pronounced variously as, or; plural also 'facies') is a body of rock with specified characteristics, which can be any observable attribute of rocks such as their overall appearance, composition, or condition of formation, and the changes that may occur in those attributes over a geographic area.

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Fossil

A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.

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Geologic time scale

The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time.

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Gill slit

Gill slits are individual openings to gills, i.e., multiple gill arches, which lack a single outer cover.

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Glacier

A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries.

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Gonopore

A gonopore, sometimes called a gonadopore, is a genital pore in many invertebrates.

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Greek language

Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.

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Hedgehog signaling pathway

The Hedgehog signaling pathway is a signaling pathway that transmits information to embryonic cells required for proper cell differentiation.

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Hemichordate

Hemichordata is a phylum of marine deuterostome animals, generally considered the sister group of the echinoderms.

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Hirnantian

The Hirnantian is the seventh and final internationally recognized stage of the Ordovician Period of the Paleozoic Era.

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Hydrozoa

Hydrozoa (hydrozoans, from ancient Greek ὕδρα, hydra, "sea serpent" and ζῷον, zoon, "animal") are a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most living in salt water.

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Ice age

An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.

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Incertae sedis

Incertae sedis (Latin for "of uncertain placement") is a term used for a taxonomic group where its broader relationships are unknown or undefined.

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International Code of Zoological Nomenclature

The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals.

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Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Larva

A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.

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Life: A Natural History of the First Four Billion Years of Life on Earth

Life: A Natural History of the First Four Billion Years of Life on Earth is a non-fiction book written by British paleontologist Richard A. Fortey.

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Limestone

Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs.

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List of graptolite genera

This list of graptolites is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be members of graptolithina, excluding purely vernacular terms.

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List of index fossils

Index fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages).

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Logogram

In written language, a logogram or logograph is a written character that represents a word or phrase.

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Mesopelagic zone

The mesopelagic (Greek μέσον, middle) (also known as the middle pelagic or twilight zone) is that part of the pelagic zone that extends from a depth of 200 to 1000 meters (~660 to 3300 feet) below the ocean surface.

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Mineralization (biology)

In biology, mineralization refers to a process where an inorganic substance precipitates in an organic matrix.

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Mississippian (geology)

The Mississippian (also known as Lower Carboniferous or Early Carboniferous) is a subperiod in the geologic timescale or a subsystem of the geologic record.

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Modularity

Broadly speaking, modularity is the degree to which a system's components may be separated and recombined, often with the benefit of flexibility and variety in use.

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Monopodial

Vascular plants with monopodial growth habits grow upward from a single point.

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Nervous system

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.

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Neural tube

In the developing chordate (including vertebrates), the neural tube is the embryonic precursor to the central nervous system, which is made up of the brain and spinal cord.

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Ontogeny

Ontogeny (also ontogenesis or morphogenesis) is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form—although the term can be used to refer to the study of the entirety of an organism's lifespan.

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Ordovician

The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era.

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Ordovician radiation

The Ordovician radiation, or the great Ordovician biodiversification event (GOBE), was an evolutionary radiation of animal life throughout the Ordovician period, 40 million years after the Cambrian explosion, whereby the distinctive Cambrian fauna fizzled out to be replaced with a Palaeozoic fauna rich in suspension feeder and pelagic animals.

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Oviparity

Oviparous animals are animals that lay eggs, with little or no other embryonic development within the mother.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Paleozoic

The Paleozoic (or Palaeozoic) Era (from the Greek palaios (παλαιός), "old" and zoe (ζωή), "life", meaning "ancient life") is the earliest of three geologic eras of the Phanerozoic Eon.

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Pelagic zone

The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth.

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Plankton

Plankton (singular plankter) are the diverse collection of organisms that live in large bodies of water and are unable to swim against a current.

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Plant

Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.

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Planula

A planula is the free-swimming, flattened, ciliated, bilaterally symmetric larval form of various cnidarian species.

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Pterobranchia

Pterobranchia is a clade of small worm-shaped animals.

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Pyrite

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide).

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Rhabdopleura normani

Rhabdopleura normani is a small, marine species of worm-shaped animal.

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Rhabdopleurida

Rhabdopleurida is one of three orders in the class Pterobranchia, which are small, worm-shaped animals.

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Rowing

Rowing is the act of propelling a boat using the motion of oars in the water, displacing water, and propelling the boat forward.

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Sediment

Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.

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Sessility (motility)

In biology, sessility (in the sense of positional movement or motility) refers to organisms that do not possess a means of self-locomotion and are normally immobile.

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Sexual dimorphism

Sexual dimorphism is the condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs.

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Shale

Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite.

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Silurian

The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya.

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Southern Uplands

The Southern Uplands are the southernmost and least populous of mainland Scotland's three major geographic areas (the others being the Central Lowlands and the Highlands).

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Stolon

In biology, stolons (from Latin stolō "branch"), also known as runners, are horizontal connections between organisms.

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Stratum

In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that were formed at the Earth's surface, with internally consistent characteristics that distinguish it from other layers.

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Sympodial

In botany, sympodial growth is a specialized lateral growth pattern in which the apical meristem is terminated and growth is continued by one or more lateral meristems, which repeat the process.

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Systema Naturae

(originally in Latin written with the ligature æ) is one of the major works of the Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy.

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Tectonics

Tectonics is the process that controls the structure and properties of the Earth's crust and its evolution through time.

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Theca

A theca (plural thecae) refers to a sheath or a covering.

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Treatise on Invertebrate Paleontology

The Treatise on Invertebrate Paleontology (or TIP) published by the Geological Society of America and the University of Kansas Press, is a definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and covering every phylum, class, order, family, and genus of fossil and extant (still living) invertebrate animals.

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Victoria (Australia)

Victoria (abbreviated as Vic) is a state in south-eastern Australia.

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Wales

Wales (Cymru) is a country that is part of the United Kingdom and the island of Great Britain.

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Zooid

A zooid or zoöid is a single animal that is part of a colonial animal.

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Zooplankton

Zooplankton are heterotrophic (sometimes detritivorous) plankton.

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Redirects here:

Dendroid, Dendroidea, Graptolit, Graptolita, Graptolite, Graptolites, Graptolith, Graptolithinia, Graptolitic, Graptolitos, Graptoloid, Graptoloids, Graptolyte.

References

[1] https://en.wikipedia.org/wiki/Graptolithina

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