FIG. 48. — Acanthospina irregulare 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; Animalia; Chordata; Pisces awaiting allocation; Acanthospina; Severnaya Zemlya
• Online Access: https://dx.doi.org/10.5281/zenodo.4665200; https://zenodo.org/doi/10.5281/zenodo.4665200

FIG. 48. — Acanthospina irregulare n. gen., n. sp., scale histology, vertical longitudinal sections, anterior to right, from paratype LIG 35-A-345, Pod"emnaya River, outcrop 67, bed 12, Severnaya Zemlya Formation; A, scale like figured on Fig. 47C, thin section 644; B, scale like figured on Fig. 47A, thin section 648; C, magnified base area of the same section; D, magnified right corner of crown of the same section. Abbreviations: avc, ascending vascular canal; bcan, vascular canal piercing base of scale; cbo, cellular bone; lac, lacuna; lsh, longitudinal Sharpey's fibres; oc, osteocyte cavity; op, osteocyte process; po, pore opening; rvc, radial vascular canal; stg, Stranggewebe (oriented mesodentine). Scale bars: 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 191, DOI: 10.5281/zenodo.4665088 ...