FIG. 43. — Acanthopora transitans n. gen., n in Devonian acanthodians from Severnaya Zemlya Archipelago (Russia) ...

• Main Author: Valiukevičius, Juozas
• Format: Still Image
• Language: unknown
• Published: Zenodo 2003
• Subjects: Biodiversity; Taxonomy; Severnaya Zemlya
• Online Access: https://dx.doi.org/10.5281/zenodo.4665191; https://zenodo.org/doi/10.5281/zenodo.4665191

FIG. 43. — Acanthopora transitans n. gen., n. sp., scale histology, Severnaya Zemlya Formation; A, vertical transverse section through the central part of scale, thin section 3342; B-E, vertical longitudinal sections of scales, anterior to right (B-D) and to left (E); B, scale like figured on Fig. 41E, thin section 3454; C-E, scales like figured on Fig. 41F, thin sections 3341 (C), 3343 (D) and 3344 (E). Paratype LIG 35-A-369 (A, C-E); Ushakov River, outcrop 21, bed 9; and paratype LIG 35-A-395 (B), Matusevich River, outcrop 1, bed 21. Abbreviations: abo, acellular bone; avc, ascending vascular canal; dd, durodentine; gl, growth lamella; pc, pore canal; po, pore opening; prgl, primordial growth lamella. Scale bar: 0.1 mm. ... : Published as part of Valiukevičius, Juozas, 2003, Devonian acanthodians from Severnaya Zemlya Archipelago (Russia), pp. 131-204 in Geodiversitas 25 (1) on page 185, DOI: 10.5281/zenodo.4665088 ...