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[to the Department of Evolutionary Morphology homepage] Pavlo OTRIAZHYI
Education:2025 – PhD in biology. Thesis: «Morphological evolution of true seals (Phocidae Gray, 1825) from Paratethys». Scientific advisor Dr. Sci., P. Gol’din. 2020-2023, 2024-2025: PhD student, Department of Evolutionary Morphology, I.I. Schmalhausen Institute of Zoology of National Academy of Sciences of Ukraine 2018-2020: Master degree, Biology, with honor, V. N. Karazin Kharkiv National University 2014-2018: Bachelor's Degree, biology, with honor Oles Honchar Dnipro National University
Additional training:Basic course “software for Artec Studio” for work with 3D scanners and equipment of the company Artec 3D, Kyiv, Ukraine Workshop: Anatomical networks and their application to the secondary adaptations of Tetrapods to life in water, part of SECAD meetings
International Grants and Awards:2022-2023: Swiss Government Excellence Scholarships. 2023-2024: Scholarship of the University of Fribourg. 2020: National Research Foundation of Ukraine, grant 2020.02/0247: Integration of mammalian organism as a proxy of stability at aquatic and aerial life (as illustrated by skeleton traits).
Areas of Expertise:Comparative anatomy, evolution and ontogeny of pinnipedia Paleobiology of marine mammals 3D technology in scientific researches, analysis and collection conservation
External resources:https://orcid.org/0000-0001-5406-5772
Language skills:Ukrainian, English
Selected PublicationsPeer-reviewed papers:1. Davydenko S., Kovalchuk O., Otriazhyi P., Gol’din P. 2025 A high-resolution 3D reconstructed skeleton of the extinct dwarf whale Cetotherium riabinini from Ukraine // Scientific Data. DOI: 10.1038/s41597-025-06086-2 2. Otriazhyi, P., Obada, T., Kovalchuk, O., Vasilyan, D. and Gol’din P. (2025). A new seal from the Late Miocene of the Eastern Paratethys highlights the past regional diversity of true seals (Phocidae). Swiss Journal of Palaeontology. 144, 28 https://doi.org/10.1186/s13358-025-00372-7 3. Otriazhyi, P., Vasilyan, D., Vishnyakova, K., Gladilina, E., & Gol’din, P. (2025). The Miocene seal Monachopsis pontica: isolated in a shrinking sea and adapting to its changing conditions. Royal Society Open Science, 12(3), 242261. https://doi.org/10.1098/rsos.242261 4. Ghazali, M., Davydenko, S., Telizhenko, V., Otriazhyi, P., Vishnyakova, K., Bukhsianidze, M., Solis-Anorve, A., Dzeverin, I. & Gol’din, P. (2025) Humerus shape evolved in cetaceans under relaxed selection and random drift. Communications Biology, 8, 518. https://doi.org/10.1038/s42003-025-07952-w 5. Gol’din, P., Haiduc, B., S., Kovalchuk, O., Gorka, M., Otryazhyi, P., Branzila, M., Paun, E. I., Barkaszi, Z., Tibuleac, P., and Ratoi, B., G. (2020). The Volhynian (late Middle Miocene) marine fishes and mammals as proxies for the onset of the Eastern Paratethys re-colonisation by vertebrate fauna. Palaeontologia Electronica, 23(3):a43 https://doi.org/10.26879/1091
Abstracts of conference presentations:1. Otriazhyi P, Obada T, Gol’din P. Morphological diversity of true seals’ limb bones from Bessarabian deposits of Moldova. Interdisciplinary Archaeology: methods, studies, results. International Scientific Conference, 14-16 august 2025, Orheiul Vechi. P. 23 2. Otriazhyi, P., Obada, T., Gol’din, P. 2024. A new specimen of the true seal Pachyphoca from the Late Miocene of Paratethys with the cranial and postcranial elements. 10th Secondary Adaptation of Tetrapods to life in water (SECAD), Liege, Belgium. p. 92. 3. Otriazhyi, P., Gol’din, P. 2024. Tooth wear in two genera of Miocene seals from the Eastern Paratethys. Abstract book of the Conference of Young Zoologists – 2024, Kyiv, Ukraine p. 19. 4. Davydenko S, Otriazhyi P, Gol'din P. 2023. Determination of body shape and mass of Miocene dwarf baleen whale Cetotherium riabinini (Cetacea: Cetotheriidae): 3D modeling approach. Abstract book of the Conference of Young Zoologists – 2023, Kyiv, Ukraine 5. Otriazhyi P., Davydenko S., Telizhenko V., Ghazali M., Bukhsianidze M., Solis-Anorve A., Dzeverin I., Gol’din P. Morphological evolution of cetacean humerus shows functional and phylogenetic signals // Abstract book of 34th European Cetacean Society Conference (Methion S., Roig N. D., Neves J. G. A., Mosca O., Lopez B. D, eds.). – Galicia, O Grove, 2023. – P. 52. 6. Gol’din P, Vertsimakha O, Ghazali M, Dzeverin I, Vishnyakova K, Telizhenko V, Davydenko S, Ortiazhyi P. 2022. Anatomical network as a tool for studies of evolution of marine mammal skeleton. «33rd Conference of the European Cetacean Society». Ashdod, Israel p 109. 7. Otriazhyi, P. 2021. 3D scanning as a method of collecting paleontological data and storing physical collections in cyberspace. «International scientific conference and XL session of the Ukrainian Paleontological Society of NAS of Ukraine, dedicated to a memory of the Academician of NAS of Ukraine Petro Feodosiiovych Gozhyk». Kyiv, Ukraine p 110 8. Otriazhyi, P., Obada, T., Ratoi, B.G. 2021. Re-examination of the “Phoca” bessarabica holotype. «Thirteenth Romanian Symposium on Paleontology». Iasi, Romania p 37. 9. P. Otriazhyi. 2021. The morphology of the skeleton of Miocene seal Monachopsis pontica. Abstract book of Scientific conference «Zoology in the modern world: challenges of the XXI century». Kyiv, Ukraine. p 31. 10. P. Otriazhyi, P. Gol’din. 2021. Anatomy of a dwarf Miocene seal Monachopsis pontica from the Eastern Paratethys. 9th Secondary Adaptation of Tetrapods to life in water (SECAD) Virtual Meeting. p 80. 11. P. Otriazhyi. 2019. The simulation model of the “helpers” influence in the population with limited resources. Abstract book of 62nd International Conference for Students of Physics and Natural Sciences. Vilnius, Lithuania. p 475. 12. P. Otriazhyi, T. Obada. 2019. A new finding of true seals (Phocidae) from the Miocene outcrops in Moldova. Abstract book of International scientific conference «Paleontological investigation of Don-Dnieper downwarp» and XXXIX session of the Paleontological Society of NAS of Ukraine. Hradyzk, Ukraine. p 82. 13. P. Gol’din, P. Otriazhyi, M. Gorka, B. Haiduc. 2019. Volhynian seals of the Eastern aratethys. Annual Scientific Symposium of Geology from Iasi, Romania. 14. P. Otriazhyi, T. Obada. 2019. Taxonomy of the Miocene true seal Pachyphoca chapskii Koretsky & Rahmat, 2013 (Carnivora: Phocidae) as suggested from the shape of the tympanic bulla. Abstract book of the Conference of Young Zoologists. Kyiv, Ukraine. p 18. [to the Department of Evolutionary Morphology of Vertebrates homepage] |
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I. I. Schmalhausen Institute of Zoology, 2004-2025 |
