Specimen ID: ZPAL V. 39/402
No photo available
Description:
Sacrum
Primary Reference:
Szczygielski, T., Słowiak, J. and Dróżdż, D. 2018. Shell variability in the stem turtles Proterochersis spp. PeerJ 6: e6134.
Additional References:
Szczygielski, T. and Piechowski, R. 2024. Limb anatomy of the Triassic turtles: appendicular osteology of Proterochersis (Testudinata, Proterochersidae). .
Szczygielski, T. and Sulej, T. 2019. The early composition and evolution of the turtle shell (Reptilia, Testudinata). Palaeontology 62 (3): 375–415.