Skip to main content
Log in

New cryptostomide bryozoans from the Upper Devonian of Transcaucasia and some aspects of the evolution of the order Cryptostomida

  • Published:
Paleontological Journal Aims and scope Submit manuscript

Abstract

New bryozoans of the suborder Ptilodictyina of the order Cryptostomida are described from the Upper Famennian of Transcaucasia: those of the family Worthenoporidae, i.e., a genus Geranopora gen. nov. comprising three species G. fabulosa sp. nov. (type species), G. fida sp. nov., and G. finitima sp. nov., and those of a new family Mysticellidae fam. nov., i.e., a genus Mysticella gen. nov. comprising four species M. labyrinthica sp. nov. (type species), M. laudativa sp. nov., M. sacrosancta sp. nov., and M. ortiva sp. nov. Thus, a Late Devonian part of the evolutionary line of ptilodictyines is revealed that shows their radiation at the levels of families, genera, and species.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. G. G. Astrova, Developmental History, Taxonomic System, and Phylogeny of Bryozoans: Order Trepostomata: Proceedings of the Paleontological Institute, Russian Academy of Sciences, Vol. 169 (Nauka, Moscow, 1978) [in Russian].

    Google Scholar 

  2. G. G. Astrova and I. P. Morozova, “Contribution to the Taxonomy of Bryozoans of the Order Cryptostomata,” Dokl. Akad. Nauk SSSR 110(4), 661–664 (1956).

    Google Scholar 

  3. R. S. Bassler, “Bryozoa,” in Treatise on Invertebrate Paleontology: Part G, Bryozoa (Geol. Soc. Am. and Univ. Kansas Press, Boulder and Lawrence, 1953), pp. G1–G153.

    Google Scholar 

  4. D. B. Blake, “The Order Cryptostomata Resurrected,” Bryozoa, 1974; Doc. Lab. Géol. Fac. Sci. Lyon, H. S. 3(1), 211–223 (1975).

    Google Scholar 

  5. D. B. Blake, “Introduction to the Suborder Rhabdomesina,” in Treatise on Invertebrate Paleontology, Part G (Geol. Soc. Am. and Univ. Kansas Press, Boulder and Lawrence, 1983), Vol. 1, pp. 530–616.

    Google Scholar 

  6. M. K. Elias and G. E. Condra, “Fenestella from the Permian of West Texas,” Mem. Geol. Soc. Am., No. 10, 1–158 (1957).

  7. R. V. Gorjunova, Morphology, Taxonomy, and Phylogeny of Bryozoans (Order Rhabdomesida): Proceedings of the Paleontological Institute of the Academy of Sciences of the USSR, Vol. 208 (Nauka, Moscow, 1985) [in Russian].

    Google Scholar 

  8. R. V. Gorjunova, Morphology and Taxonomic System of Paleozoic Bryozoans: Proceedings of the Paleontological Institute of the Russian Academy of Sciences, Vol. 251 (Nauka, Moscow, 1992) [in Russian].

    Google Scholar 

  9. R. V. Gorjunova, Phylogeny of Paleozoic Bryozoans: Proceedings of the Paleontological Institute of the Russian Academy of Sciences, Vol. 267 (Nauka, Moscow, 1996) [in Russian].

    Google Scholar 

  10. R. V. Gorjunova, “Bryozoans,” in The Middle Carboniferous of the Moscow Syneclise (Southern Part): Vol. 2. Paleontological Characterization (Nauchnyi Mir, Moscow, 2001), pp. 80–91, 189–195 [in Russian].

    Google Scholar 

  11. R. V. Gorjunova, “New Bryozoans from the Devonian of Afghanistan and the Carboniferous of Iran,” Paleontol. Zh., No. 6, 43–51 (2006) [Paleontol. J. 40 (6), 626–635 (2006)].

  12. R. V. Gorjunova and V. D. Lavrentjeva, Morphology and Taxonomic System of Cryptostomide Bryozoans: Proceedings of the Paleontological Institute of the Russian Academy of Sciences, Vol. 257 (Nauka, Moscow, 1993) [in Russian].

    Google Scholar 

  13. R. V. Gorjunova, A. V. Markov, and E. B. Naimark, Evolution and Biogeography of Paleozoic Bryozoans: Results of Quantitative Analysis (GEOS, Moscow, 2004) [in Russian].

    Google Scholar 

  14. I. A. Gretchishnikova, “New Athyridids (Brachiopods) from the Upper Devonian and Lower Carboniferous of Transcaucasia,” Paleontol. Zh., No. 4, 51–61 (1996) [Paleontol. J. 30 (4), 416–427 (1996)].

  15. I. A. Gretchishnikova, V. A. Aristov, E. A. Reitlinger, and V. A. Chizhova, Biostratigraphy of the Devonian-Carboniferous Boundary Beds of Transcaucasia (Reference Sections) (Magadan, 1982), pp. 1–38 [in Russian].

  16. S. J. Hageman, “Worthenopora: An Unusual Cryptostome (Bryozoa) that Like a Cheilostome,” J. Paleontol. 65(4), 648–661 (1991).

    Google Scholar 

  17. O. L. Karklins, “Introduction to the Suborder Ptilodictyina,” in Treatise on Invertebrate Paleontology: Part G, Bryozoa (Geol. Soc. Am. and Univ. Kansas Press, Boulder and Lawrence, 1983), Vol. 1, pp. 453–487.

    Google Scholar 

  18. A. H. McNair, “Cryptostome Bryozoa from the Middle Devonian Traverse Group of Michigan,” Contrib. Mus. Paleontol. Univ. Mich. 5(8), 103–170 (1937).

    Google Scholar 

  19. S. A. Miller, North American Geology and Paleontology (Cincinnati, 1889).

  20. I. P. Morozova, Bryozoans of the Order Fenestellida: Proceedings of the Paleontological Institute, Russian Academy of Sciences, Vol. 277 (GEOS, Moscow, 2001) [in Russian].

    Google Scholar 

  21. V. P. Nekhoroshev, Paleozoic Bryozoans of the Order Cryptostomata: Proceedings of the All-Union Geological Institute Nov. Ser., Vol. 228 (Nedra, Moscow, 1977) [in Russian].

    Google Scholar 

  22. N. A. Shishova, “A New Order of Paleozoic Bryozoans,” Paleontol. Zh., No. 1, 129–132 (1968).

  23. M. I. Schulga-Nesterenko, Functional, Phylogenetic, and Stratigraphic Significance of Skeletal Tissues of Bryozoans: Proceedings of the Paleontological Institute, Russian Academy of Sciences, Vol. 23 (Akad. Nauk SSSR, Moscow-Leningrad, 1949) [in Russian].

    Google Scholar 

  24. P. N. Wyse Jackson, F. K. McKinney, and A. J. Bancroft, “Fenestrate Bryozoan Genera Based on Species from Ireland Originally Described by Frederick M’Coy in 1844,” Palaeontology 49 (Part 4), 741–767 (2006).

    Article  Google Scholar 

  25. J. Yang, Z. Hu, and F. Xia, “Bryozoans from Late Devonian and Carboniferous of Central Hunan,” Paleontol. Sin. 174(23), 1–196 (1988).

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to R. V. Gorjunova.

Additional information

Original Russian Text © R.V. Gorjunova, 2007, published in Paleontologicheskii Zhurnal, 2007, No. 6, pp. 12–23.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Gorjunova, R.V. New cryptostomide bryozoans from the Upper Devonian of Transcaucasia and some aspects of the evolution of the order Cryptostomida. Paleontol. J. 41, 600–613 (2007). https://doi.org/10.1134/S0031030107060032

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S0031030107060032

Key words

Navigation