FIG. 48. — Acanthospina irregulare n. gen., n in Devonian acanthodians from Severnaya Zemlya Archipelago (Russia)
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...
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Format: | Other/Unknown Material |
Language: | unknown |
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2003
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Online Access: | https://zenodo.org/record/4665201 https://doi.org/10.5281/zenodo.4665201 |
Summary: | 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 |
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