FIG. 4. — A-H in Lower Devonian (Lochkovian) thelodonts from October Revolution Island (Severnaya Zemlya Archipelago, Russia)

• Main Author: Karatajūtē-Talimaa, Valentina N.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2002
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Pteraspidomorphi; Thelodontida; Turiniidae; Turinia; Pteraspidomorphi (awaiting allocation); Nikolivia; Severnaya Zemlya; Valentina; October Revolution Island
• Online Access: https://zenodo.org/record/4665001; https://doi.org/10.5281/zenodo.4665001

FIG. 4. — A-H, Boreania minima Karatajūtē-Talimaa, 1985; A, B, transitional scales; C-H, trunk scales; A-C, E-G, scales in crown view; D, scale in lateral view; H, scale in base view; collection numbers: LIG 35-808-LIG 35-815; I-R, Canonia sp. cf. C. grossi Vieth, 1980; I-O, scales in crown view; P-...