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Zieglerodina
''Zieglerodina'' is an extinct conodont genus in the family Spathognathodontidae. The generic name is a tribute to Willi Ziegler. References External links Ozarkodinida genera {{Conodont-stub ...
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Spathognathodontidae
Spathognathodontidae is an extinct conodont family ranging from the Silurian to the Devonian.On Classification of Pridoli (Silurian)-Lochkovian (Devonian) Spathognathodontidae (Conodonts). Murphy M.A., Valenzuela-Ríos J.I. and Carls P., 2004, University of California, Riverside Campus Museum Contribution, 6, pp. 1-25, 3 FigsPDF/ref> Genera Genera are: * †''Flajsella'' * †''Lanea'' * †''Ozarkodina'' * †''Spathognathodus'' * †''Tortodus'' * †''Wurmiella'' * †''Zieglerodina'' References * A new Ludlow (Late Silurian) Spathognathodontidae (Conodonta) from Bohemia with incipient alternating denticulation. P. Carls, L. Slavík and José Ignacio Valenzuela-Ríos, Neues Jahrbuch für Geologie und Paläontologie - Monatshefte, September 2005, 9, pages 547–565. External links * * Spathognathodontidae
at fossilworks.org (retrieved 30 April 2016) Ozarkodinida families Silurian first appearances Devonian extinctions {{Conodont-stub ...
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Willi Ziegler
Willi Ziegler (born 13 March 1929 in the neighborhood of Villingen in Hungen, Hessen; died 8 August 2002) was a German paleontologist. Works In 1969, he described the conodont genus '' Protognathodus''. In 1984, with Charles A. Sandberg, he described the conodont genus '' Alternognathus''. In 2002, with IA Bardashev and K Weddige, he described the conodont genus '' Eolinguipolygnathus''.The phylomorphogenesis of some Early Devonian platform conodonts. IA Bardashev, K Weddige and W Ziegler, Senckenbergiana lethaea, December 2002, volume 82, issue 2, pages 375-451, Ziegler's Catalogue of Conodonts * Ziegler's Catalogue of Conodonts. Schweizerbart Science Publisherslink to editor website retrieved 7 May 2016) ** Volume I, 1973 ** Volume II, 1975 ** Volume III, 1977 ** Volume IV, 1981 ** Volume V, 1991 Awards and tributes In 1998, he received the Goethe-Plakette des Landes Hessen, the highest award by the Hessian Ministry for Science and the Arts in Hesse, Germany. He w ...
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Animal
Animals are multicellular, eukaryotic organisms in the Biology, biological Kingdom (biology), kingdom Animalia (). With few exceptions, animals heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, have myocytes and are motility, able to move, can reproduce sexually, and grow from a hollow sphere of Cell (biology), cells, the blastula, during embryonic development. Animals form a clade, meaning that they arose from a single common ancestor. Over 1.5 million extant taxon, living animal species have been species description, described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth. Animal body lengths range from to . They have complex ecologies and biological interaction, interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as ...
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Chordata
A chordate ( ) is a bilaterian animal belonging to the phylum Chordata ( ). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (Apomorphy and synapomorphy, synapomorphies) that distinguish them from other Taxon, taxa. These five synapomorphies are a notochord, a neural tube, hollow dorsal nerve cord, an endostyle or thyroid, pharyngeal slits, and a post-anus, anal tail. In addition to the morphological characteristics used to define chordates, analysis of genome sequences has identified two conserved signature indels (CSIs) in their proteins: cyclophilin-like protein and inner mitochondrial membrane protease ATP23, which are exclusively shared by all vertebrates, tunicates and cephalochordates. These CSIs provide molecular means to reliably distinguish chordates from all other animals. Chordates are divided into three phylum, subphyla: Vertebrata (fish, amphibians, reptiles, birds and mammals), whose notochor ...
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Conodont
Conodonts, are an extinct group of marine jawless vertebrates belonging to the class Conodonta (from Ancient Greek κῶνος (''kōnos''), meaning " cone", and ὀδούς (''odoús''), meaning "tooth"). They are primarily known from their hard, mineralised tooth-like structures called "conodont elements" that in life were present in the oral cavity and used to process food. Rare soft tissue remains suggest that they had elongate eel-like bodies with large eyes. Conodonts were a long-lasting group with over 300 million years of existence from the Cambrian (over 500 million years ago) to the beginning of the Jurassic (around 200 million years ago). Conodont elements are highly distinctive to particular species and are widely used in biostratigraphy as indicative of particular periods of geological time. Discovery and understanding of conodonts The teeth-like fossils of the conodont were first discovered by Heinz Christian Pander and the results published in Saint Petersburg, ...
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Ozarkodinida
Ozarkodinida is an extinct conodont order. It is part of the clade Prioniodontida, also known as the "complex conodonts". Name Ozarkodinida is named after the Ozark Mountains of Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ..., United States. Elements The feeding apparatus of ozarkodinids is composed at the front of an axial Sa element, flanked by two groups of four close-set elongate Sb and Sc elements which were inclined obliquely inwards and forwards. Above these elements lay a pair of arched and inward pointing (makellate) M elements. Behind the S-M array lay transversely oriented and bilaterally opposed (pectiniform, i.e. comb-shaped) Pb and Pa elements. References External links * * † {{Conodont-stub ...
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Conodont
Conodonts, are an extinct group of marine jawless vertebrates belonging to the class Conodonta (from Ancient Greek κῶνος (''kōnos''), meaning " cone", and ὀδούς (''odoús''), meaning "tooth"). They are primarily known from their hard, mineralised tooth-like structures called "conodont elements" that in life were present in the oral cavity and used to process food. Rare soft tissue remains suggest that they had elongate eel-like bodies with large eyes. Conodonts were a long-lasting group with over 300 million years of existence from the Cambrian (over 500 million years ago) to the beginning of the Jurassic (around 200 million years ago). Conodont elements are highly distinctive to particular species and are widely used in biostratigraphy as indicative of particular periods of geological time. Discovery and understanding of conodonts The teeth-like fossils of the conodont were first discovered by Heinz Christian Pander and the results published in Saint Petersburg, ...
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Fossilworks
Fossilworks was a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was created in 1998 by John Alroy and housed at Macquarie University Macquarie University ( ) is a Public university, public research university in Sydney, New South Wales, Australia. Founded in 1964 by the New South Wales Government, it was the third university to be established in the Sydney metropolitan area. .... It included many analysis and data visualization tools formerly included in the Paleobiology Database.{{cite web, title=Frequently asked questions, url=http://www.fossilworks.org/cgi-bin/bridge.pl?page=FAQ, publisher=Fossilworks, access-date=17 December 2021, archive-date=18 May 2022, archive-url=https://web.archive.org/web/20220518205516/http://www.fossilworks.org/cgi-bin/bridge.pl?page=FAQ, url-status=dead Fossilworks was sh ...
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