Wavy enamel in stegosaurs and primitive ceratopsians under polarized light with lambda waveplate (“waves” are marked by white arrows).

• Main Authors: Pavel P. Skutschas (9275804), Vera A. Gvozdkova (10318489), Alexander O. Averianov (8435685), Alexey V. Lopatin (8435688), Thomas Martin (256128), Rico Schellhorn (5558639), Petr N. Kolosov (10318492), Valentina D. Markova (4572523), Veniamin V. Kolchanov (5858264), Dmitry V. Grigoriev (10318495), Ivan T. Kuzmin (10318498), Dmitry D. Vitenko (10318501)
• Format: Still Image
• Language: unknown
• Published: 2021
• Subjects: Ecology; Sociology; Environmental Sciences not elsewhere classified; Biological Sciences not elsewhere classified; tooth formation time; tooth replacement rates; Cretaceous; Middle Jurassic stegosaur; pattern; palinal jaw motion; basal ceratopsian Psittacosaurus; Teete stegosaur; facet; high-latitude; Lambda; Shestakovo; Yakutia; Siberia
• Online Access: https://doi.org/10.1371/journal.pone.0248163.g014

Transverse section of the tooth ZIN PH 38/246 of Stegosauria indet. from the Teete locality, Yakutia, Russia; Batylykh Formation (Lower Cretaceous) (A); transverse section of the tooth ZIN PH 104/117 of Stegosauria indet. from the Berezovsk coal mine, Krasnoyarsk Territory, Western Siberia, Russia (Middle Jurassic) (B); transverse section of the tooth (without number) of Psittacosaurus sp. from the Shestakovo locality, Kemerovo Province, Western Siberia, Russia (Lower Cretaceous) (C). Abbreviations: de—dentin.