FIG. 14. — Acritolepis urvantsevi n. gen., n in Devonian acanthodians from Severnaya Zemlya Archipelago (Russia) ...
FIG. 14. — Acritolepis urvantsevi n. gen., n. sp., histological structure of fin spines, Severnaya Zemlya Formation; A, transverse section through the basal part of pectoral spine containing pore openings in the grooves, thin section 3475; B, transverse section through the two-ribbed fragment of pec...
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Format: | Still Image |
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Zenodo
2003
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Online Access: | https://dx.doi.org/10.5281/zenodo.4665134 https://zenodo.org/doi/10.5281/zenodo.4665134 |