''Adygeya'' is a genus of cephalopods assigned to the

Spirulida Spirulida is an order of cephalopods comprising one extant species ('' Spirula spirula'') and several extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, ...

.Doguzhaeva, L. A., Mapes, R. H., & Mutvei, H. (1999). A Late Carboniferous spirulid coleoid from the southern mid-continent (USA): shell wall ultrastructure and evolutionary implications. In F. Olóriz & F. J. Rodríguez-Tovar (Eds.), Advancing Research on Living and Fossil Cephalopods (pp. 47–57). New York: Kluwer Academic Publishers.

References

Spirulida {{paleo-cephalopod-stub