Systematic Parasitology

, Volume 92, Issue 2, pp 81–99 | Cite as

Synopsis of the species of the genus Sphaeromyxa Thélohan, 1892 (Myxosporea: Bivalvulida: Variisporina: Sphaeromyxidae)

  • Christopher M. WhippsEmail author
  • Yuanjun Zhao


Sphaeromyxa spp. are parasites of marine fishes, infecting the gall-bladders or bile ducts. The spores of these species possess characteristic ribbon-like polar filaments, a unique character among myxozoans. This unique character is also a synapomorphy consistent with estimates of phylogeny for this group which forms a lineage distinct from other myxozoans. There are 49 nominal species of Sphaeromyxa Thélohan, 1892 for which a synopsis is provided, reporting spore dimensions, spore shape, locality, and host species. A line drawing is also provided for each species.


Line Drawing Polar Capsule Polar Filament Host Record Hepatic Bile Duct 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



CMW is thankful to the SUNY-ESF and the Oregon State University library staff (particularly Ruth Owens at ESF) for obtaining several original manuscripts, some of which were very difficult to locate. Also thanks to many colleagues who provided manuscripts or were instrumental in locating manuscripts; namely, Geoff Grossel, Chaganti Kalavati, Egil Karlsbakk, Cecile Reed, Vladimir Voronin, and Jinyong Zhang. Some line drawings were provided by Pavla Bartošová-Sojková and Alena Kodádková (S. clini and S. limnocapitis), and Mark Freeman (S. lycodi), and we thank them greatly for these high quality figures.


This work was partially supported by funding from the Chinese Natural Sciences Fund (no. 31471980) to YZ.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with animals performed by any of the authors


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© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  1. 1.SUNY-ESFState University of New York College of Environmental Science and Forestry, Environmental and Forest BiologySyracuseUSA
  2. 2.Chongqing Key Laboratory of Animal BiologyChongqing Normal UniversityChongqingChina

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