FIG. 4. — Drawings made after SEM photos from Figures 2 and 3 in Silurian and Lower Devonian anaspids (Agnatha) from Severnaya Zemlya (Russia) ...

• Main Author: Märss, Tiiu
• Format: Still Image
• Language: unknown
• Published: Zenodo 2002
• Subjects: Biodiversity; Taxonomy; Pioneer Island; Severnaya Zemlya; October Revolution Island
• Online Access: https://dx.doi.org/10.5281/zenodo.5374654; https://zenodo.org/doi/10.5281/zenodo.5374654

FIG. 4. — Drawings made after SEM photos from Figures 2 and 3 to illustrate different sculptures of birkeniids of the region; A-C, Birkenia? sp.; D, Birkeniida sp. C; E, G, Birkeniida sp. C1; F, I, Birkeniida sp. C?; H, Birkeniida sp. D; J, Birkeniida sp. F?; K, Birkeniida sp. G; L, Birkeniida sp. H...