Tomasz SZCZYGIELSKI, Ph.D.

Triassic turtles, genesis of Testudinata; diversity, evolution and phylogeny of reptiles

ORCID ID: 0000-0001-5108-8493

 

Contact

Institute of Paleobiology, Polish Academy of Sciences
ul. Twarda 51/55
00-818 Warsaw, POLAND
e-mail: t.szczygielski@twarda.pan.pl, t.e.szczygielski@gmail.com
phone: (+48 22) 697-88-66, room: 129

Researchgate: Tomasz_Szczygielski
Kudos: 102581

CV

Personal data

Tomasz Sczygielski
Born in 1989, Warsaw, Poland


Academic degrees and memberships

  • Since 2019 member of the Scientific Board of the Institute of Paleobiology PAS
  • 2018 Ph.D. in Earth sciences, in the discipline of geology; Early evolution of the turtle shell; Institute of Paleobiology PAS; scientific supervisor: Tomasz Sulej, Ph.D., D.Sc.
  • 2014 – 2017 Ph.D. students’ representative in the Scientific Board of the Institute of Paleobiology PAS
  • 2013 – 2017 Ph.D. student at the International Doctoral Studies Course in the Biological Sciences with the PAS in Warsaw; Institute of Paleobiology PAS; scientific supervisor Tomasz Sulej Ph.D, D.Sc.
  • 2013 M.Sc. in biology; The genesis of turtles (Testudines) based on the new materials from the Triassic of Poland; Faculty of Agriculture and Biology, Warsaw University of Life Sciences; scientific supervisor: Tomasz Sulej Ph.D, D.Sc.
  • 2011 B.Sc. in biology; The genesis of turtles (Testudines) – the current state of knowledge; Faculty of Agriculture and Biology, Warsaw University of Life Sciences; scientific supervisor: Prof. Magdalena Borsuk-Białynicka, Ph.D., D.Sc.


Employment

  • Since 2018 research assistant in the Institute of Paleobiology PAS in Warsaw
  • 2018 – 2019 research-and-teaching assistant in the Department of Paleobiology and Evolution, Faculty of Biology, University of Warsaw
  • 2018 lab technician in the Institute of Paleobiology PAS in Warsaw


Research grants

  • 2018 – 2021 Co-Investigator in the National Science Center, Poland, Opus grant „The end of the mammal-like reptile era in Europe” (Principal Investigator: Tomasz Sulej, Ph.D., D.Sc., Professor of the Institute of Paleobiology, PAS)
  • 2017 – 2020 Principal Investigator in the National Science Center, Poland, Preludium grant „Evolutionary roots of dermal ossifications in the shell of ancestral Late Triassic turtles”


Scientific meetings

  • 17–20 X 2018 78th Annual Meeting of the Society of Vertebrate Paleontology (Albuquerque Convention Center, Albuquerque, USA)
  • 26–27 V 2018 6th Turtle Evolution Symposium (Waseda University, Tokyo, Japan)
  • 21–22 IV 2018 Young in Paleontology 9 (University of Warsaw, Warsaw, Poland)
  • 1–3 VIII 2017 15th Annual Meeting of the European Association of Vertebrate Palaeontologists (Palaeontological Museum Munich, Munich, Germany)
  • 2–4 VI 2017 Conference of Young Evolutionary Biologists (Jagiellonian University, Cracow, Poland)
  • 21–13 IX 2016 23rd Science Conference of Paleontological Section of PGS (Institute of Geology, Adam Mickiewicz University, Poznań, Poland)
  • 20–24 IV 2016 7th Student Conference of Evolutionary Biology (Jagiellonian University, Cracow, Poland)
  • 9 XII 2015 5th Popular Science Session “Silesian Dinosaurs (Not Only) from Krasiejów” (Institute of Geological Sciences PAS, Cracow, Poland)
  • 20–23 VII 2015 5th Turtle Evolution Symposium (Museu Nacional, Rio de Janeiro, Brazil)
  • 17–18 VII 2015 Young in Paleontology 7 (Sławno, Poland)
  • 8–12 VII 2015 13th Annual Meeting of the European Association of Vertebrate Palaeontologists (Opole University, Opole, Poland)
  • 9–11 V 2014 4th Student Conference of Evolutionary Biology (Jagiellonian University, Cracow, Poland)
  • 1–4 VI 2012 Symposium on Turtle Evolution 2012 (Tübingen University, Tübingen, Germany)
  • 2012 – 2016 „journal club” seminaries (Department of Paleobiology and Evolution, Faculty of Biology, University of Warsaw, Warsaw, Poland)
  • 2010 – 2012 meetings of the Evolution Enthusiasts (Museum of Evolution of the Institute of Paleobiology PAS, Warsaw, Poland)
  • 2010 – 2013 seminaries of the Department of Vertebrate Paleontology of the Institute of Paleobiology PAS (Institute of Paleobiology PAS, Warsaw, Poland)
  • 7 IX 2010 4th Popular Science Session “Silesian Dinosaurs Not Only from Krasiejów” (Institute of Paleobiology PAS, Warsaw, Poland)

 

Research trips and internships

  • X 2018 research visit in the New Mexico Museum of Natural History and Science
  • 2018 leadership of a one week-long excavations in Poręba
  • XII 2016 three days-long research visit in Staatliches Museum für Naturkunde Stuttgart (comparative studies and photographic, graphic, and descriptive documentation of the turtles, placodonts and temnospondyls)
  • 2015 leadership of the two weeks-long student excavations in Poręba
  • 2014 leadership of the two weeks-long student excavations in Krasiejów
  • 14–29 IV 2014 research visit in Staatliches Museum für Naturkunde Stuttgart and in Carl-Schweizer-Museum Murrhardt (comparative studies and photographic, graphic, and descriptive documentation of the turtles and protorosaurs)
  • Since 2013 regular reconnaissance and control field trips to the Holy Cross Mountains, southern Mazovia and Silesia
  • IX 2013 active participation in three weeks-long excavations in the Permian of Russia (Vyazniki)
  • 2012 leadership of three days-long student excavations in Poręba
  • 2012 active participation in two weeks-long excavations in Poręba
  • Since 2011 work in the preparation room of the Institute of Paleobiology PAS (voluntary service and as part of the M.Sc. and Ph.D. studies)
  • 2011 active participation in two weeks-long excavations in Krasiejów as part of the Field Paleobiology course on the University of Warsaw
  • 2011 active participation in two weeks-long excavations in Lisowice
  • 2010 one month-long internship in the Museum and Institute of Zoology PAS (e.g., collection indexing, work with a scanning electron microscope)


Prizes and awards

  • 2018 distinction of the Ph.D. thesis "Early evolution of the turtle shell" on the reviewers’ recommendation
  • 2014 first place in best oral presentation competition of the 4th Student Evolutionary Biology Conference

 

Academic teaching

  • Since 2019 auxiliary advisor for the Ph.D. thesis of Przemysław Świś, M.Sc., “Impact of the Late Devonian and earliest Carboniferous environmental disturbances on faunal dynamics and evolution of conodonts” (Department of Paleobiology and Evolution, Faculty of Biology, University of Warsaw; scientific supervisor: Prof. Jerzy Dzik, Ph.D., D.Sc.)
  • 2018-2019 practical classes of the Biological diversity course, University of Warsaw, as a co-teacher (40 h)
  • 2018 practical classes of the Zoology course, University of Warsaw, as a co-teacher (40 h)
  • 2018 three out of the series of lectures of the Zoology course in the University of Warsaw, as a guest lecturer (6 h)

 

Other activities

  • 2018 author of the animal taxa list on the Bone-bearing Keuper of the Upper Silesia, southern Poland (http://www.keuper.us.edu.pl/) webpage
  • 2018 member of the Scientific Comitee of the Young in Paleontology IX conference
  • 2018 consultation and correction of the Polish translation of the children’s book „Animals of a Bygone Era” („Zwierzęta minionej ery”) authored by M. Säfström (Wydawnictwo Czarna Owca, Warsaw, 2018)
  • II 2017 filming of the promotional video for the Museum of Evolution of the Institute of Paleobiology PAS
  • VI 2016 peer-review of the article for Cretaceous Research
  • III 2016 help with the translation of the English-language visitor guide for the visitors of the Museum of Evolution of the Institute of Paleobiology PAS
  • VII 2015 – II 2016 filming and production (video and sound editing) of three promotional video for the „Evolution in the Sea” exhibition in the Museum of Evolution of the Institute of Paleobiology PAS
  • 7 VI 2015 active participation in „The Lost World of Dinosaurs” picnic organized by National Geographic Poland in the Praga Park in Warsaw as a representative of the Museum of Evolution of the Institute of Paleobiology PAS
  • 2014 – 2016 conducting of the country-wide recruitments for the student excavation camps
  • V 2014 preparation of the activities and stand, and active participation in the 18th Science Picnic in Warsaw as a representative of the Museum of Evolution of the Institute of Paleobiology PAS
Publications

 

Scientific papers in peer-reviewed journals

Szczygielski T., Dróżdż D., Chanthasit P., Manitkoon S., Ditbanjong P. 2025. The Triassic turtle of Thailand – revision of ‘Proganochelys’ ruchae. PLoS One 20 (3): e0316338.
 
Březina J., Chroust M., Szczygielski T., Hrazdil V. 2024. Miocene crocodylian and marine turtle from Kienberg: First record from the Moravian part of the Vienna Basin. Geologica Carpathica 75 (5): 329–338. doi.org/10.31577/GeolCarp.2024.19
 
Ferreira G. S., Hermanson G., Kyriakouli C., Dróżdż D., Szczygielski T. 2024. Shell biomechanics suggests an aquatic palaeoecology at the dawn of turtle evolution. Scientific Reports 14: 21822.
 
Szczygielski T., Van den Brandt M.J., Gaetano L., Dróżdż D. 2024. Saurodesmus robertsoni Seeley 1891-The oldest Scottish cynodont. PLoS ONE 19 (5): e0303973.
 
Hermanson G., Arnal F.A.M., Szczygielski T., Evers S.W. 2024. A systematic comparative description of extant turtle humeri, with comments on humerus disparity and evolution based on fossil comparisons. Anatomical Record.
 
Szczygielski T., Marchetti L., Dróżdż D. 2024. Natural external plastron mold of the Triassic turtle Proterochersis: an unusual mode of preservation. PLoS One 19 (3): e0299314.
 
Weryński Ł., Błażejowski B., Szczygielski T., Young M.T. 2024. The first occurrence of machimosaurid crocodylomorphs from the Oxfordian of south-central Poland provides new insights into the distribution of macrophagous teleosauroids. PeerJ 12:e17153.
 
Słowiak J., Brusatte S.L., Szczygielski T. 2024. Reassessment of the enigmatic Late Cretaceous theropod dinosaur, Bagaraatan ostromi. Zoological Journal of the Linnean Society: zlad169.
 
Surmik D., Słowiak-Morkovina J., Szczygielski T., Wojtyniak M., Środek D., Dulski M., Balin K., Krzykawski T., Pawlicki R. 2023. The first record of fossilized soft parts in ossified tendons and implications for the understanding of tendon mineralization. Zoological Journal of the Linnean Society 198 (3): zlad001.
 
Szczygielski T., Klein N., Słowiak-Morkovina J., Scheyer T. M. 2023. Limb histology of the Triassic stem turtles Proterochersis porebensis Szczygielski & Sulej, 2016 and Proganochelys quenstedtii Baur, 1887 with insights into growth patterns of early turtles. Comptes Rendus Palevol 22 (32): 635–665.
 
Szczygielski T., Piechowski R. 2023. Limb anatomy of the Triassic turtles: appendicular osteology of Proterochersis (Testudinata, Proterochersidae). Zoological Journal of the Linnean Society 199: 771-831.
 
Szczygielski T., Sulej T. 2023. Woznikella triradiata n. gen., n. sp. – a new kannemeyeriiform dicynodont from the Late Triassic of northern Pangea and the global distribution of Triassic dicynodonts. Comptes Rendus Palevol 22 (16): 279–406.
 
Szczygielski T., Słowiak J. 2022. Shell histology of the Triassic turtle, Proterochersis porebensis Szczygielski & Sulej, 2016, provides novel insights about shell ankylosis. Comptes Rendus Palevol 21 (29): 619-679.
 
Słowiak J., Szczygielski T., Rothschild B. M., & Surmik D. 2021. Dinosaur senescence: a hadrosauroid with age‑related diseases brings a new perspective of “old” dinosaurs. Scientific Reports 11: 11947.
 
Słowiak J., Szczygielski T., Rothschild B. M., & Surmik D. 2021. Dinosaur senescence: a hadrosauroid with age‑related diseases brings a new perspective of “old” dinosaurs. Scientific Reports 11: 11947.
 
Czepiński Ł., Dróżdż D., Szczygielski T., Tałanda M., Pawlak W., Lewczuk A., Rytel A. & Sulej T. 2021. An Upper Triassic terrestrial vertebrate assemblage from the forgotten Kocury locality (Poland) with a new aetosaur taxon. Journal of Vertebrate Paleontology.
 
Madzia, D., Szczygielski, T., Wolniewicz, A.S. 2021. The giant pliosaurid that wasn’t—revising the marine reptiles from the Kimmeridgian, Upper Jurassic, of Krzyżanowice, Poland. Acta Palaeontologica Polonica 66 (1): 99-129.
 
Szczygielski, T. 2020. Obscure by name: solving the enigma of Chelytherium obscurum, the first described Triassic turtle. Zoological Journal of the Linnean Society, advance online, 1–12.
 
Słowiak J., Szczygielski T., Ginter M., & Fostowicz‐Frelik Ł. 2020. Uninterrupted growth in a non‐polar hadrosaur explains the gigantism among duck‐billed dinosaurs. Palaeontology 63 (4): 579-599.
 
Szczygielski T., Dróżdż T., Surmik D., Kapuścińska A., Rothschild B. M. 2019. New tomographic contribution to characterizing mesosaurid congenital scoliosis. PLoS ONE 14 (2): e0212416.
 
Szczygielski T. 2017. Homeotic shift at the dawn of the turtle evolution. Royal Society Open Science 4: 160933.
 
Szczygielski T., Sulej T. 2016. Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany. Zoological Journal of the Linnean Society 177 (2): 395-427.
 
Bajdek P., Szczygielski T., Kapuścińska A., Sulej T. 2019. Bromalites from a turtle-dominated fossil assemblage from the Triassic of Poland. Palaeogeography, Palaeoclimatology, Palaeoecology 321-322: 142-150.
 
Szczygielski T., Sulej T. 2019. The early composition and evolution of the turtle shell (Reptilia, Testudinata). Palaeontology 62 (3): 375-415.
 
Szczygielski T., Słowiak J., Dróżdż D. 2018. Shell variability in the stem turtles Proterochersis spp. PeerJ 6: e6134.
 
Surmik D., Szczygielski T., Janiszewska K., Rothschild B.M. 2018. Tuberculosis-like respiratory infection in 245-million-year-old marine reptile suggested by bone pathologies. Royal Society Open Science 5: 180225.
 
Szczygielski T., Tyborowski D., Błażejowski B. 2018. A new pancryptodiran turtle from the Late Jurassic of Poland and palaeobiology of early marine turtles. Geological Journal 53: 1215-1226.

Szczygielski T.
, Surmik D., Kapuścińska A., Rothschild B.M. 2017. The oldest record of aquatic amniote congenital scoliosis. PLoS ONE 12: e0185338.

Popular science articles

 
Szczygielski T. 2018. The evolution of neck/trunk transition in the earliest turtles. Annual Report – Polish Academy of Sciences 2018: 31-33.
 
Szczygielski T., Sulej T. 2017. Poręba 215 mln lat temu (Poręba 215 mya). Poręba City Hall Internet page, online on 21 II 2017 (http://www.umporeba.pl/index.php/kultura/578-poreba-215-mln-lat-temu).
 
Szczygielski T. 2015. Kiedy żółwie zerwały się do podmorskiego lotu (When the turtles started their subaquatic flight). Ewolucja 5: 18-27.

Conference abstracts

 
Szczygielski T., Słowiak J., Sulej T. 2018. New data on the shell structure of the basalmost true turtles, Proterochersis spp. Poster. 78th Annual Meeting of the Society of Vertebrate Paleontology, Meeting Program and Abstracts: 225. 19 IX 2018 r., Albuquerque Convention Center, Albuquerque, USA.
 
Surmik D., Szczygielski T., Janiszewska K., Rothschild B.M. 2018. Tuberculosis-like respiratory infection in 245-million-year old marine reptile suggested by bone pathologies. Oral presentation. 78th Annual Meeting of the Society of Vertebrate Paleontology, Meeting Program and Abstracts: 224-225. 17 IX 2018 r., Albuquerque Convention Center, Albuquerque, USA.
 
Szczygielski T., Słowiak J. 2018. Shell variability and sexual dimorphism in the earliest turtles. Oral presentation. 6th Turtle Evolution Symposium, Program & Abstracts: 6-8. 26 V 2018 r., Waseda University, Tokyo, Japan.
 
Szczygielski T., Sulej T. 2018. Osteodermal mosaic in the carapace of the earliest turtles. Oral presentation. 6th Turtle Evolution Symposium, Program & Abstracts: 2-5. 26 V 2018 r., Waseda University, Tokyo, Japan.
 
Szczygielski T., Słowiak J. 2018. Zmienność pancerza i dymorfizm płciowy u najwcześniejszych żółwi (Testudinata: Proterochersidae) (The variability of the shell and sexual dimorphism in the earliest turtles (Testidinata: Proterochersidae)). Oral presentation. Young in Paleontology 9, Książka abstraktów: 26. 22 IV 2018 r., University of Warsaw, Warsaw, Poland
 
Szczygielski T., Tyborowski D., Błażejowski B. 2017. A new pancryptodiran turtle from the Late Jurassic of Poland and the evolution of durophagy in turtles. Oral presentation. 15th Annual Meeting of the European Association of Vertebrate Palaeontologists, Zitteliana 91: 87-88. 1 VIII 2017, Palaeontological Museum Munich, Munich, Germany.
 
Szczygielski T. 2017. Turtles and Eunotosaurus africanus – ancestry or homoplasy? Oral presentation. 15th Annual Meeting of the European Association of Vertebrate Palaeontologists, Zitteliana 91: 87. 1 VIII 2017, Palaeontological Museum Munich, Munich, Germany.
 
Szczygielski T. 2017. Homeotic shift at the dawn of the turtle evolution. Oral presentation. 15th Annual Meeting of the European Association of Vertebrate Palaeontologists, Zitteliana 91: 87. 1 VIII 2017, Palaeontological Museum Munich, Munich, Germany.
 
Surmik D., Szczygielski T., Rothschild B. M., Janiszewska K. 2017. Evidence of tuberculosis-like infection in a Middle Triassic eusauropterygian, Proneusticosaurus silesiacus Volz 1902. Poster. 15th Annual Meeting of the European Association of Vertebrate Palaeontologists, Zitteliana 91: 86. 1 VIII 2017, Palaeontological Museum Munich, Munich, Germany.
 
Sulej T., Szczygielski T., Tałanda M., Czepiński Ł. 2017. New data on the Middle Triassic vertebrate locality in Miedary (Southern Poland). Poster. 15th Annual Meeting of the European Association of Vertebrate Palaeontologists, Zitteliana 91: 86. 1 VIII 2017, Palaeontological Museum Munich, Munich, Germany.
 
Surmik D., Szczygielski T., Szrek P., 2017. Presumptive coelacanth remains from the Middle Triassic of Poland. Poster. 14th International Symposium on Early and Lower Vertebrates, Ichthyolith Issues Special Publication 13: 72. 6 VII 2017, European Center for Geological Education, Chęciny, Poland.
 
Szczygielski T. 2017. Can fossil morphologies be used as a proxy for the estimation of homeotic gene expression ranges? Oral presentation. Conference of Young Evolutionary Biologists, Abstract Book: 19. 3 VI 2017, Jagiellonian University, Cracow, Poland.
 
Surmik D., Szczygielski T., Dulski M., Janiszewska K., Rothschild B. 2017. On paleopathologies in aquatic amniotes – the results of integrated studies. Oral presentation. Conference of Young Evolutionary Biologists, Abstract Book: 18. 3 VI 2017, Jagiellonian University, Cracow, Poland.
 
Szczygielski T., Tyborowski D. 2016. Nowy durofagiczny żółw morski z jury Polski (A new durophagous marine turtle from the Jurassic of Poland). Oral presentation. XXIII Konferencja Naukowa Sekcji Paleontologicznej PTG, Abstrakty: 111. 21-13 IX 2016, Institute of Geology, Adam Mickiewicz University, Poznań, Poland.
 
Szczygielski T. 2016. Znaczenie późnotriasowych żółwi z rodziny Proterochersidae z Polski i Niemiec dla zrozumienia najwcześniejszej ewolucji Testudinata (The impact of the Late Triassic turtles of the family Proterochersidae from Poland and Germany on the understanding of the earliest evolution of Testudinata). Oral presentation. XXIII Konferencja Naukowa Sekcji Paleontologicznej PTG, Abstrakty: 113. 21-13 IX 2016, Institute of Geology, Adam Mickiewicz University, Poznań, Poland.
 
Szczygielski T., Tyborowski D. 2016. Żółwie Polski od triasu do dziś (The turtles of Poland from the Triassic till now). Oral presentation. VII Studencka Konferencja Biologii Ewolucyjnej, Abstrakty: 34. 24 VI 2016, Jagiellonian University, Cracow, Poland.
 
Szczygielski T. 2015. Późnotriasowe żółwie z Poręby – pochodzenie i wczesna ewolucja Testudinata (The Late Triassic turtles from Poręba – the origin and the early evolution of Testudinata). Oral presentation. V Sesja Krasiejowska „Śląskie dinozaury (nie tylko) z Krasiejowa”, Abstrakty: 20. 9 XII 2015, Institute of Geological Sciences PAS, Cracow, Poland.
 
Szczygielski T. 2015. New data on the oldest turtles: revision and reconsideration of Proterochersidae. Oral presentation. PeerJ PrePrints 3:e1059. 5th Turtle Evolution Symposium, Program and Abstracts: 12. 21 VII 2015, Museu Nacional, Rio de Janeiro, Brazil.
 
Szczygielski T. 2015. Późnojurajskie żółwie z Krzyżanowic oraz geneza śladów bioerozji na ich pancerzach (The Late Jurassic turtles from Krzyżanowice and the genesis of the bioerosion traces on their shells). Oral presentation. Młodzi w Paleontologii VII, Przewodnik wycieczek terenowych, abstrakty i artykuły: 20. 17 VII 2015, Sławno, Poland.
 
Szczygielski T. 2015. Investigating the ancestral shell: preliminary data on new material of Proterochersis, the earliest fully-shelled turtle. Oral presentation. 13th Annual Meeting of the European Association of Vertebrate Palaeontologists, Abstracts: 90. 10 VII 2015, Univeristy of Opole, Opole, Poland.
 
Sulej T., Niedźwiedzki G., Szczygielski T., Tałanda M. 2014. A new Triassic (Ladinian) association with a large temnospondyl, sauropterygians, a gigantic prolacertiform, and an archosauriform in Miedary (Southern Poland). Poster. 74th Meeting of Society of Vertebrate Paleontology Abstracts of Papers: 237. 6 XI 2014, Estrel Berlin, Berlin, Niemcy.
 
Szczygielski T. 2014. Tajemnica genezy żółwi (The enigma of turtle genesis). Oral presentation. VI Studencka Konferencja Biologii Ewolucyjnej, Referaty: 52. 11 V 2014, Jagiellonian University, Cracow, Poland.
 
Sulej T., Szczygielski T. 2012. New turtles from the Triassic of Poland. Oral presentation. Symposium on Turtle Evolution 2012, Abstracts: 41. 2 VI 2012, Department of Geology, Tübingen University, Tübingen, Germany.