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Journal articles on the topic 'Pteraspidomorphs'

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1

Blieck, Alain R. M., Valentina N. Karatajūtē-Talimaa, and Elga Mark-Kurik. "Upper Silurian and Devonian heterostracan pteraspidomorphs (Vertebrata) from Severnaya Zemlya (Russia): a preliminary report with biogeographical and biostratigraphical implications." Geodiversitas 24, no. 4 (2002): 805–20. https://doi.org/10.5281/zenodo.4665025.

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Blieck, Alain R. M., Karatajūtē-Talimaa, Valentina N., Mark-Kurik, Elga (2002): Upper Silurian and Devonian heterostracan pteraspidomorphs (Vertebrata) from Severnaya Zemlya (Russia): a preliminary report with biogeographical and biostratigraphical implications. Geodiversitas 24 (4): 805-820, DOI: 10.5281/zenodo.4665025
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2

Blieck, Alain, and David K. Elliott. "Pteraspidomorphs (Vertebrata), the Old Red Sandstone, and the special case of the Brecon Beacons National Park, Wales, U.K." Proceedings of the Geologists' Association 128, no. 3 (2017): 438–46. http://dx.doi.org/10.1016/j.pgeola.2016.07.003.

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3

Blieck, Alain, and Peter R. Tarrant. "Protopteraspis Gosseleti (Vertebrata: Pteraspidomorphi: Heterostraci) from the Lower Devonian of Shropshire, England." Palaeontology 44, no. 1 (2001): 95–112. http://dx.doi.org/10.1111/1475-4983.00171.

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4

Blieck, Alain R. M., and Valentina N. Karatajūtė-Talimaa. "New corvaspids from the Lochkovian (Lower Devonian) of Severnaya Zemlya, Russia (Vertebrata: Pteraspidomorphi: Heterostraci)." Journal of Vertebrate Paleontology 21, no. 4 (2001): 639–50. http://dx.doi.org/10.1671/0272-4634(2001)021[0639:ncftll]2.0.co;2.

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5

Sansom, Ivan J., Peter W. Haines, Plamen Andreev, and Robert S. Nicoll. "A new pteraspidomorph from the Nibil Formation (Katian, Late Ordovician) of the Canning Basin, Western Australia." Journal of Vertebrate Paleontology 33, no. 4 (2013): 764–69. http://dx.doi.org/10.1080/02724634.2013.751920.

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6

Karatajūtē-Talimaa, Valentina N. "Lower Devonian (Lochkovian) thelodonts from October Revolution Island (Severnaya Zemlya Archipelago, Russia)." Geodiversitas 24, no. 4 (2002): 791–804. https://doi.org/10.5281/zenodo.4664989.

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Karatajūtē-Talimaa, Valentina N. (2002): Lower Devonian (Lochkovian) thelodonts from October Revolution Island (Severnaya Zemlya Archipelago, Russia). Geodiversitas 24 (4): 791-804, DOI: 10.5281/zenodo.4664989
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7

Glinskiy, V. N., and D. V. Pinakhina. "New data on psammosteid heterostracans (Pteraspidomorpha) and acanthodians (Acanthodii) from the Pärnu Regional Stage (Lower Eifelian, Middle Devonian) of Estonia." Estonian Journal of Earth Sciences 67, no. 1 (2018): 76. http://dx.doi.org/10.3176/earth.2018.05.

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8

Glinskiy, Vadim, and Darya Pinakhina. "New data on psammosteid heterostracans (Pteraspidomorpha) and acanthodians (Acanthodii) from the Pärnu Regional Stage (Lower Eifelian, Middle Devonian) of Estonia." Estonian Journal of Earth Sciences 67, no. 1 (2018): 76–87. https://doi.org/10.3176/earth.2018.05.

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Vertebrate remains from the Lower Eifelian P&auml;rnu Formation, Estonia, are described. New data on the topography of ornamentation and histology of psammosteids from the P&auml;rnu Regional Stage are presented. The occurrence of the genus&nbsp;<em>Guerichosteus</em> Halstead Tarlo in the Lower Eifelian of the Main Devonian Field is established. Representatives of this taxon had previously been known from the Emsian (Lower Devonian) of the Holy Cross Mountains, Poland. The histological study of the exoskeleton of <em>Guerichosteus heterolepis</em> (Preobrazhensky) showed the presence of a thi
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9

Blieck, A., D. K. Elliott, and L. S. Lassiter. "A new species of cyathaspid (Vertebrata: Pteraspidomorphi: Heterostraci) from the Lower Devonian Drake Bay Formation, Prince of Wales Island, Nunavut, Arctic Canada." Estonian Journal of Earth Sciences 67, no. 1 (2018): 88. http://dx.doi.org/10.3176/earth.2018.06.

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10

Žigaitė, Živile, and Daniel Goujet. "New observations on the squamation patterns of articulated specimens of Loganellia scotica (Traquair, 1898) (Vertebrata: Thelodonti) from the Lower Silurian of Scotland." Geodiversitas 34, no. 2 (2012): 253–70. https://doi.org/10.5252/g2012n2a1.

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Žigaitė, Živile, Goujet, Daniel (2012): New observations on the squamation patterns of articulated specimens of Loganellia scotica (Traquair, 1898) (Vertebrata: Thelodonti) from the Lower Silurian of Scotland. Geodiversitas 34 (2): 253-270, DOI: 10.5252/g2012n2a1, URL: http://dx.doi.org/10.5252/g2012n2a1
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11

Märss, Tiiu, and Valentina Karatajūtē-Talimaa. "Ordovician and Lower Silurian thelodonts from Severnaya Zemlya Archipelago (Russia)." Geodiversitas 24, no. 2 (2002): 381–404. https://doi.org/10.5281/zenodo.5374745.

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12

Hairapetian, Vachik, Henning Blom, and C. Giles Miller. "Silurian thelodonts from the Niur Formation, central Iran." Acta Palaeontologica Polonica 53, no. 1 (2008): 85–95. https://doi.org/10.4202/app.2008.0105.

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Hairapetian, Vachik, Blom, Henning, Miller, C. Giles (2008): Silurian thelodonts from the Niur Formation, central Iran. Acta Palaeontologica Polonica 53 (1): 85-95, DOI: 10.4202/app.2008.0105, URL: http://www.app.pan.pl/article/item/app53-085.html
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13

Vaškaninová, Valéria, and Petr Kraft. "A Unique Occurrence Of A Psammosteid Heterostracan On The Peri-Gondwanan Shelf In The Lower/Middle Devonian Boundary Marine Deposits." Fossil Imprint 72, no. 3-4 (2016): 155–60. https://doi.org/10.14446/FI.2016.155.

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Vaškaninová, Valéria, Kraft, Petr (2016): A Unique Occurrence Of A Psammosteid Heterostracan On The Peri-Gondwanan Shelf In The Lower/Middle Devonian Boundary Marine Deposits. Fossil Imprint 72 (3-4): 155-160, DOI: 10.14446/FI.2016.155, URL: http://dx.doi.org/10.14446/fi.2016.155
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14

Pernègre, Vincent Noël. "Un nouveau genre de Pteraspidiformes (Vertebrata, Heterostraci) de la Formation de Wood Bay (Dévonien inférieur, Spitsberg)." Geodiversitas 25, no. 2 (2003): 261–72. https://doi.org/10.5281/zenodo.5371181.

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Pernègre, Vincent Noël (2003): Un nouveau genre de Pteraspidiformes (Vertebrata, Heterostraci) de la Formation de Wood Bay (Dévonien inférieur, Spitsberg). Geodiversitas 25 (2): 261-272, DOI: 10.5281/zenodo.5371181
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15

Karatajūtē-Talimaa, Valentina, and Tiiu Märss. "Upper Silurian thelodonts from Severnaya Zemlya Archipelago (Russia)." Geodiversitas 24, no. 2 (2002): 405–43. https://doi.org/10.5281/zenodo.5375097.

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16

Mark-Kurik, Elga, Alain Blieck, Carole J. Burrow, and Susan Turner. "Early Devonian fishes from coastal De Long Strait, central Chukotka, Arctic Russia." Geodiversitas 35, no. 3 (2013): 545–78. https://doi.org/10.5252/g2013n3a3.

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Mark-Kurik, Elga, Blieck, Alain, Burrow, Carole J., Turner, Susan (2013): Early Devonian fishes from coastal De Long Strait, central Chukotka, Arctic Russia. Geodiversitas 35 (3): 545-578, DOI: 10.5252/g2013n3a3, URL: http://dx.doi.org/10.5252/g2013n3a3
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17

Laan, Richard Van Der. "Family-group names of fossil fishes." European Journal of Taxonomy 466 (October 11, 2018): 1–167. https://doi.org/10.5852/ejt.2018.466.

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18

Sanchez-Sanchez, Vicente, Oscar Sanisidro, and Humberto G. Ferrón. "Functional aspects of the headshield processes in ostracoderms." Paleobiology, July 9, 2025, 1–13. https://doi.org/10.1017/pab.2025.5.

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Abstract Ostracoderms, Paleozoic jawless stem-gnathostomes, are characterized by distinctive bony shields covering the front of their bodies. These headshields exhibit significant variations in morphology across species, boasting frontal, lateral, and dorsal processes. Ostracoderms represent pivotal intermediaries between modern jawless and jawed vertebrates, so understanding their biology and ecology is crucial for unraveling the selective pressures that shaped the early evolution and diversification of jawed vertebrates, which now dominate vertebrate diversity. This study employs virtual pal
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19

Houée, Guillaume, Jérémie Bardin, Damien Germain, Philippe Janvier, and Nicolas Goudemand. "Developmental models shed light on the earliest dental tissues, using Astraspis as an example." Palaeontology 66, no. 6 (2023). http://dx.doi.org/10.1111/pala.12682.

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AbstractFossils of extinct jawless vertebrates are pivotal to deciphering the evolutionary paths that led to the various forms of the vertebrate skeleton. For example, Pteraspidomorphs (stem‐gnathostomes), such as the Ordovician Astraspis, display some of the oldest remains of bony and ‘dental’ (dentine and enameloid) tissues. However, the identification of the very nature of these early mineralized tissues has been hampered by a lack of unambiguous diagnostic characters. As development is key to identifying the derivation of these tissues, we developed an integrative and generic histogenetic
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20

Elliott, David, Linda Lassiter, and Alain Blieck. "A phylogenetic analysis of the Cyathaspididae (Vertebrata: Pteraspidomorphi: Heterostraci)." Acta Palaeontologica Polonica 66 (2021). http://dx.doi.org/10.4202/app.00811.2020.

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