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...
Main Author: | |
---|---|
Format: | Other/Unknown Material |
Language: | unknown |
Published: |
2003
|
Subjects: | |
Online Access: | https://zenodo.org/record/4665135 https://doi.org/10.5281/zenodo.4665135 |