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Evolution of brachiopods information


The Devonian brachiopod Tylothyris from the Milwaukee Formation, Milwaukee County, Wisconsin

The origin of the brachiopods is uncertain; they either arose from reduction of a multi-plated tubular organism, or from the folding of a slug-like organism with a protective shell on either end. Since their Cambrian origin, the phylum rose to a Palaeozoic dominance, but dwindled during the Mesozoic.

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Evolution of brachiopods

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affinities of tommotiids: they are now being regarded as stem-group brachiopods. One crucial fossil linking the tommotiids with brachiopods is Micrina...

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Brachiopod

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Articulate brachiopods have toothed hinges and simple, vertically oriented opening and closing muscles. Conversely, inarticulate brachiopods have weak...

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Outline of evolution

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and radiation of species Evolution of reptiles – Origin and diversification of reptiles through geologic time Evolution of brachiopods – The origin and...

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Evolution

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Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

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Productida

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Productida is an extinct order of brachiopods in the extinct class Strophomenata. Members of Productida first appeared during the Silurian. They represented...

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Evolution of cetaceans

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The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to...

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Timeline of the evolutionary history of life

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mainly fossils. In biology, evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary...

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Geological history of Earth

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was probably not as long-lasting as once thought; study of oxygen isotopes in fossil brachiopods shows that it was probably no longer than 0.5 to 1.5 million...

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Evolution of insects

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The most recent understanding of the evolution of insects is based on studies of the following branches of science: molecular biology, insect morphology...

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Evolution of molluscs

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The evolution of the molluscs is the way in which the Mollusca, one of the largest groups of invertebrate animals, evolved. This phylum includes gastropods...

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History of life

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that they have diverged through the process of evolution from a common ancestor. The earliest clear evidence of life comes from biogenic carbon signatures...

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Timeline of fish evolution

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mollusk-like brachiopods and the great coral reefs, were still common. The Late Devonian extinction occurred at the beginning of the last phase of the Devonian...

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2019 in brachiopod paleontology

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(2019). A study on the evolution of the body size of brachiopods from the Late Permian to the Middle Triassic, as indicated by brachiopod specimens from South...

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Margaret Jope

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Scotland. She carried out research into brachiopods. She took her degree in chemistry at the University of Aberdeen, and her DPhil at Somerville College...

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List of brachiopod genera

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Zygatrypa Zygospira Zygospirella List of brachiopod species Taxonomy of the Brachiopoda Evolution of brachiopods Moore, R.C. (1965). Brachiopoda. Treatise...

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Mesozoic marine revolution

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Revolution. As a result of increased predation pressure on top of heightened competition with bivalves, brachiopods became a minor component of most marine faunas...

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Evolution of cephalopods

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a group of shells that, whilst originally aligned to the monoplacophoran ancestry of the cephalopods, have been reinterpreted as brachiopods. Hyoliths...

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Phoronid

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phoronids and brachiopods are deuterostomes: While deuterostomes have three coelomic cavities, lophophorates such as phoronids and brachiopods have only two...

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Ordovician

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the rest of the Paleozoic, such as articulate brachiopods, cephalopods, and crinoids. Articulate brachiopods, in particular, largely replaced trilobites...

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Evolutionary radiation

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different species of brachiopods independently assumed a similar morphology, and presumably mode of life, to species that had lived millions of years before...

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List of living brachiopod species

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Zezina, 2013 in Bitner et al. (2013) List of brachiopod genera List of brachiopod species Evolution of brachiopods Emig C. C., Bitner M. A. & Álvarez F.,...

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Silurian

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taxonomic composition, ecology, and biodiversity of Silurian brachiopods mirroring Ordovician ones. Brachiopods that survived the LOME developed novel adaptations...

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Rhynchonelliformea

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1990s. These so-called articulated brachiopods have many anatomical differences relative to "inarticulate" brachiopods of the subphyla Linguliformea and Craniformea...

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Paleoecology

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studying patterns of evolution and extinction in the context of environmental change, evolutionary paleoecologists are able to examine concepts of vulnerability...

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Arthropod

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with molluscs and brachiopods in another superphylum, Lophotrochozoa. If the Ecdysozoa hypothesis is correct, then segmentation of arthropods and annelids...

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Animal

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molluscs, annelids, brachiopods, nemerteans, bryozoa and entoprocts. The molluscs, the second-largest animal phylum by number of described species, includes...

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Cambrian explosion

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S.B.; Balavoine, G. (June 1999). "Hox genes in brachiopods and priapulids and protostome evolution". Nature. 399 (6738): 772–6. Bibcode:1999Natur.399...

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List of examples of convergent evolution

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Convergent evolution—the repeated evolution of similar traits in multiple lineages which all ancestrally lack the trait—is rife in nature, as illustrated...

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Paleobiology

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ISBN 978-0-471-05272-2. Applies statistics to the evolution of sponges, cnidarians, worms, brachiopods, bryozoa, mollusks, and arthropods. Shuhai Xiao and...

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2024 in paleontology

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evidence of disappearance of large brachiopods from shallow tropical waters after the Jurassic period, interpreted as mainly caused by increase of durophagous...

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