Devonian stratigraphy in Estonia: current state and problems [PDF]
Estonian Journal of Earth Sciences, 2012 An updated version of the Devonian stratigraphical chart of Estonia with comments is presented. Estonian regional stratigraphical units are correlated with the standard conodont zonation and miospore zonation, used in the western part of the East ...
Elga Mark-Kurik, Anne Põldvere
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Известия высших учебных заведений: Геология и разведка, 2016 The stratigraphie distribution and systematic composition of the Middle-Upper Devonian remains of antiarchs from the sediments of Central Kazakhstan are analyzed. Central Kazakhstan ichthyofauna contains mainly endemic taxons of antiarchs.
S. V. Moloshnikov
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SYSTEMATIC POSITION OF ANTIARCHS (VERTEBRATA, PLACODERMI) FROM THE FAMENNIAN OF TVER REGION, RUSSIA
Известия высших учебных заведений: Геология и разведка, 2017 New materials of the placoderm fish Bothriolepis heckeri Luksеvics from the Famennian of the Bilovo locality (Tver Region) are studied. This species is very similar to Livnolepis zadonica (H.Obrucheva) in the structure of cranial and postcranial armours ...
S. V. Moloshnikov, V. V. Linkevich
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Taphonomy of the vertebrate bone beds from the Klūnas fossil site, Upper Devonian Tērvete Formation of Latvia [PDF]
Estonian Journal of Earth Sciences, 2012 Combined sedimentological and taphonomical study of the siliciclastic sequence of the Tērvete Formation in the stratotypical area was aimed at revealing the formation of the three oryctocoenoses discovered and related structural and textural features of ...
Jeļena Vasiļkova +3 more
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Revision of the Late Devonian ptyctodonts (Vertebrata, Placodermi) from southern Poland [PDF]
Estonian Journal of Earth SciencesNew studies on Frasnian ptyctodonts, including the revision of historic material in addition to the description of new material, have resulted in the detailed description of two species of Ptyctodus (Ptyctodus obliquus, Ptyctodus kielcensis), eight ...
Katarzyna Grygorczyk +2 more
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Redescription of Phymolepis cuifengshanensis (Antiarcha: Yunnanolepididae) using high-resolution computed tomography and new insights into anatomical details of the endocranium in antiarchs [PDF]
PeerJ, 2018 Background Yunnanolepidoids constitute either the most basal consecutive segments or the most primitive clade of antiarchs, a highly diversified jawed vertebrate group from the Silurian and Early Devonian periods.
Yajing Wang, Min Zhu
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PLoS ONE, 2017 Placoderms are considered as the first jawed vertebrates and constitute a paraphyletic group in the stem-gnathostome grade. The acanthothoracid placoderms are among the phylogenetically most basal and morphologically primitive gnathostomes, but their ...
Vincent Dupret +3 more
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Reconstruction of the immature placoderms and diagrammatic model of the Strud nursery.
, 2016 Immature placoderms (from top to bottom) Turrisaspis strudensis (left lateral view), Grossilepis rikiki (dorsal view), Phyllolepis undulata (dorsal view).
Sébastien Olive (3072225) +3 more
core +1 more source
New finds of fishes in the lower uppermost Famennian (Upper Devonian) of Сentral Russia and habitats of the Khovanshchinian vertebrate assemblages [PDF]
Estonian Journal of Earth Sciences, 2018 New vertebrate finds from the Khovanshchinian Regional Stage (lower uppermost Famennian, Upper Devonian) made an important contribution to our knowledge of the composition and distribution of vertebrate assemblages in Central Russia.
Oleg A. Lebedev +3 more
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Fish Scales: A Multifunctional Biomaterial from Nature
ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 5, September 2026.Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley +1 more source