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The median eyes of trilobites
Published 2023-03-01“…Abstract Arthropods typically possess two types of eyes—compound eyes, and the ocellar, so called 'median eyes'. Only trilobites, an important group of arthropods during the Palaeozoic, seem not to possess median eyes. …”
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Sheltered preservation in Ordovician trilobites
Published 2021-06-01“…Four articulated juvenile exoskeletons of <i>Placoparia</i> preserved under a cephalon of the cyclopygid trilobite <i>Degamella</i> Marek, 1961 represent the first record of shelter strategy of non-holaspid trilobites. …”
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Allopatric molting of Devonian trilobites
Published 2022-08-01“…Abstract Trilobite exuviae record the development of individual trilobites and their molting process and can also contain information on their behavior. …”
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Modelling enrolment in Cambrian trilobites
Published 2017“…Trilobites were capable of enrolling in different ways based on the flexible articulation of thoracic segments and associated interlocking devices; the type of enrolment (spiral or sphaeroidal) is thought to have largely depended on the coaptative devices that each trilobite used to enclose the body. …”
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Phylogenetic and biogeographic analysis of sphaerexochine trilobites.
Published 2011-01-01“…BACKGROUND: Sphaerexochinae is a speciose and widely distributed group of cheirurid trilobites. Their temporal range extends from the earliest Ordovician through the Silurian, and they survived the end Ordovician mass extinction event (the second largest mass extinction in Earth history). …”
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Why did the UV-A-induced photoluminescent blue–green glow in trilobite eyes and exoskeletons not cause problems for trilobites?
Published 2015-12-01Subjects: Get full text
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Reply to “Points of view in understanding trilobite eyes”
Published 2021-04-01Get full text
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Vibronic interactions in trilobite and butterfly Rydberg molecules
Published 2023-02-01“…Ultralong-range Rydberg molecules provide an exciting testbed for molecular physics at exaggerated scales. In the so-called trilobite and butterfly Rydberg molecules, the Born-Oppenheimer approximation can fail due to strong nonadiabatic couplings arising from the combination of radial oscillations and rapid energy variations in the adiabatic potential energy curves. …”
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Crawlers on the Seabed – The Famous Devonian Trilobites of Gerolstein
Published 2021-06-01“…This paper introduces the Middle Devonian trilobites of Gerolstein, found on the famous trilobite fields of Gees and at the Auberg hill in Gerolstein. …”
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Abnormal xiphosurids, with possible application to Cambrian trilobites
Published 2018“…We compare injuries on extant xiphosurids to extinct Cambrian trilobite injuries to suggest that rare cephalic injuries to trilobites were incurred during soft-shelled exoskeletal stages. …”
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Trilobites of the Middle Ordovician Elnes Formation of the Oslo region, Norway /
Published c200Subjects: “…Trilobites…”
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Reassessing a cryptic history of early trilobite evolution
Published 2022-11-01“…A reassessment of early trilobite phylogenetic relationships and palaeobiogeographic patterns suggests that a cryptic evolutionary history is unlikely for this group. …”
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Exploring the vibrational series of pure trilobite Rydberg molecules
Published 2023-12-01“…Abstract In trilobite Rydberg molecules, an atom in the ground state is bound by electron-atom scattering to a Rydberg electron that is in a superposition of high angular momentum states. …”
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Moulting Patterns in Trilobites from the Devonian of Paraná Basin
Published 2021-12-01“…However, phacopid (calmonid and homalonotid) trilobites from the Paraná Basin have shown a Salterian moulting pattern, differing from the other trilobites. …”
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Exploring abnormal Cambrian-aged trilobites in the Smithsonian collection
Published 2020-02-01Subjects: “…Trilobites…”
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Malformed trilobites from the Cambrian, Ordovician, and Silurian of Australia
Published 2023-12-01Subjects: Get full text
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Trilobites and intercontinental tie points in the Upper Cambrian of Scandinavia
Published 2003-01-01“…The Upper Cambrian faunas of Scandinavia are generally dominated by olenid trilobites, which provide a firm basis for the biostratigraphic classification. …”
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A dynamic and collaborative database for morphogeometric information of trilobites
Published 2023-11-01“…Here we describe TriloMorph, an openly accessible database for morpho-geometric information of trilobites, together with a landmark acquisition protocol. …”
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Understanding locomotion in trilobites by means of three-dimensional models
Published 2023-09-01“…Summary: Trilobites were one of the first animals on Earth to leave their imprints on the seafloor. …”
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