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Psephophorus polygonus

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Journal Article
Published: 22 February 2013
Geological Magazine (2013) 150 (5): 767–782.
...MASSIMO DELFINO; TORSTEN M. SCHEYER; FRANCESCO CHESI; TAMARA FLETCHER; RICHARD GEMEL; STEWART MACDONALD; MÁRTON RABI; STEVEN W. SALISBURY Abstract Psephophorus polygonus Meyer, 1847, the first fossil leatherback turtle to be named, was described on the basis of shell ossicles from the middle...
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Ossicles of  <span class="search-highlight">Psephophorus</span> <span class="search-highlight">polygonus</span>  Meyer,  1847  from Devínska Nová Ves (...
Published: 22 February 2013
Figure 1. Ossicles of Psephophorus polygonus Meyer, 1847 from Devínska Nová Ves (Slovakia). (a–d) External, lateral and extremities views of the ossicles forming a longitudinal ridge (MTM V 61.1216/a); note that in lateral view the edge of the ridge
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Histology of the ossicles of  <span class="search-highlight">Psephophorus</span> <span class="search-highlight">polygonus</span> . Images in
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Published: 22 February 2013
Figure 5. Histology of the ossicles of Psephophorus polygonus . Images in (a, c, g) normal transmitted light, (d, e, h) polarized light, and (b, f) in polarized light with additional lambda compensator. (a, b) The external cortex of ossicle
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Overview of thin-sections of the ossicles of  <span class="search-highlight">Psephophorus</span>
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Published: 22 February 2013
Figure 4. Overview of thin-sections of the ossicles of Psephophorus polygonus in normal transmitted light. Note thickness of ossicles and the diploe structure that is retained in all three specimens. (a) Flat polygonal ossicle (NHMW 1848
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Comparison of histological sections of flat polygonal and ridge ossicles of...
Published: 22 February 2013
Figure 7. Comparison of histological sections of flat polygonal and ridge ossicles of Psephophorus polygonus and Dermochelys coriacea , with interpretative sketches of the distribution of external and marginal bone tissue versus interior core and internal bone
Journal Article
Published: 26 September 2017
Geological Magazine (2018) 155 (7): 1596–1620.
... with the material from Ad-Dakhla have been attributed to Psephophorus von Meyer, 1847 (type species P. polygonus von Meyer, 1847 , from middle Miocene deposits of Slovakia) (Mlynarski, 1976 ; Wood et al . 1996 ; de Broin & Pironon, 1980 ; Delfino et al . 2013 ). The two smooth plates DAK-58/7...
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Journal Article
Published: 01 September 2004
Journal of Paleontology (2004) 78 (5): 989–1013.
... . Königsberger Archiv für Naturwissenschaft und Mathematik , 1812 : 271 - 458 . Seeley , H. G. 1880 . Note on Psephophorus polygonus, v. Meyer, a new type of chelonians reptiles allied to the leathery turtle . Quarterly Journal of the Geological Society of London , 36 : 406 - 413 . Seidel...
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