FIG. 12. — Acritolepis ushakovi n. gen., n in Devonian acanthodians from Severnaya Zemlya Archipelago (Russia) ...

FIG. 12. — Acritolepis ushakovi n. gen., n. sp., histology of polyodontode-type tesserae, from paratype LIG 35-A-386, Matusevich River, outcrop 1, bed 21, Severnaya Zemlya Formation; A, vertical transverse section through the tessera like figured on Fig. 5G, thin section 3502; B, vertical longitudin...

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Bibliographic Details
Main Author: Valiukevičius, Juozas
Format: Still Image
Language:unknown
Published: Zenodo 2003
Subjects:
Biodiversity
Taxonomy
Animalia
Chordata
Acanthodii
Climatiiformes
Climatiiformes awaiting allocation
Acritolepis
Severnaya Zemlya
Online Access:https://dx.doi.org/10.5281/zenodo.4665128
https://zenodo.org/doi/10.5281/zenodo.4665128
Description
Summary:FIG. 12. — Acritolepis ushakovi n. gen., n. sp., histology of polyodontode-type tesserae, from paratype LIG 35-A-386, Matusevich River, outcrop 1, bed 21, Severnaya Zemlya Formation; A, vertical transverse section through the tessera like figured on Fig. 5G, thin section 3502; B, vertical longitudinal section through the tessera with the secondary growth area on the crown (see Fig. 5F), thin section 3503. Abbreviations: abo, acellular bone; cvc, circular vascular canal; dto, denteon; gl1, gl2, gl3, gl4, lamellae of areal growth; seco, secondary odontode; smd, simple mesodentine; thd, thinlamellar dentine. 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 147, DOI: 10.5281/zenodo.4665088 ...

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