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Polymorphidae

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Polymorphidae

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The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by Meyer in 1931, a subfamily Polymorphinae was established in it. As the Polymorphidae as presently understood would then be monotypic, with no basal genera outside the Polymorphinae, the proposed subfamily is redundant for the time being and therefore most modern treatments simply omit it. Polymorphus minutus is an economically significant parasite in goose and duck farming.

Species

Polymorphidae contains the following species:[a]

Andracantha Schmidt, 1975

  • Andracantha baylisi (Zdzitowiecki, 1986) Zdzitowiecki, 1989
  • Andracantha clavata (Goss, 1940)

Andracantha gravida (Alegret, 1941) Schmidt, 1975

  • Andracantha mergi Lundström, 1942
  • Andracantha phalacrocoracis (Yamaguti, 1939)
  • Andracantha tandemtesticulata Monteiro, Amato & Amato, 2006
  • Andracantha tunitae (Weiss, 1914)

Ardeirhynchus Dimitrova and Georgiev, 1994

  • Ardeirhynchus spiralis (Rudolphi, 1809)

Arhythmorhynchus Lühe, 1911

Bolbosoma Porta, 1908

Proboscis, neck and trunk spines of a juvenile Bolbosoma turbinella. Bars is 200um.[1]

Corynosoma Lühe, 1904

A juvenile female Corynosoma australe with a detail of the proboscis. Bar on the left is 1mm and the bar on the right is 0.25mm.[1]
Male juvenile Corynosoma cetaceum with a detail of the proboscis, neck, and trunk spines. Bar on the left is 1mm and the bar on the right is 0.5mm.[1]

Diplospinifer Fukui, 1929

Filicollis Lühe, 1911

Ibirhynchus García-Valera, Pérez-Ponce de León, Aznar and Nadler, 2011

Neoandracantha Amin & Heckmann, 2017

Polymorphus Lühe, 1911

The genus polymorphus uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly placed in the genus have now been placed in the genus Profilicollis based on morphological characteristics and the use of decapod crustaceans as intermediate hosts.[3]

Profilicollis Meyer, 1931

Pseudocorynosoma Aznar, Pérez-Ponce de León & Raga, 2006

Southwellina Witenberg, 1932

  • Southwellina hispida (Van Cleave, 1925)
  • Southwellina macracanthus (Ward and Winter, 1952)
  • Southwellina sacra Bhattacharya, Pande & Srivastaca, 2002

Tenuisoma[4]

  • Tenuisoma tarapungi[4]

T. tarapungi was found in the intestines of the red-billed gull (Chroicocephalus scopulinus) on the coast of Otago, New Zealand.[4]

Notes

  1. ^ A binomial authority in parentheses indicates that the species was originally described in a genus other than the present genus.

References

  1. ^ a b c Fonseca, Michelle Cristie Gonçalves da, Knoff, Marcelo, Felizardo, Nilza Nunes, Torres, Eduardo José Lopes, Di Azevedo, Maria Isabel Nogueira, Gomes, Delir Corrêa, Clemente, Sérgio Carmona de São, & Iñiguez, Alena Mayo. (2019). Acanthocephalan parasites of the flounder species Paralichthys isosceles, Paralichthys patagonicus and Xystreurys rasile from Brazil. Revista Brasileira de Parasitologia Veterinária, 28(3), 346-359. Epub June 13, 2019.https://dx.doi.org/10.1590/s1984-29612019031
  2. ^ Amin, Omar M.; Heckmann, Richard A. (2017). "Neoandracantha peruensis n. gen. n. sp. (Acanthocephala, Polymorphidae) described from cystacanths infecting the ghost crab Ocypode gaudichaudii on the Peruvian coast". Parasite. 24: 40. doi:10.1051/parasite/2017038. ISSN 1776-1042. PMC 5657191. PMID 29072573. open access
  3. ^ B.B. Nickol, D.W.T. Crompton, and D.W. Searle (1999). "Reintroduction of Profilicollis Meyer, 1931, as a genus in Acanthocephala: Significance of the intermediate host." Journal of Parasitology 85(4):716-718
  4. ^ a b c Presswell, B., Bennett, J.D.L. & Smales, L.R. Morphological and molecular characterisation of a new genus and species of acanthocephalan, Tenuisoma tarapungi n. g., n. sp. (Acanthocephala: Polymorphidae) infecting red-billed gulls in New Zealand, with a key to the genera of the Polymorphidae Meyer, 1931. Syst Parasitol 97, 25–39 (2020). https://doi.org/10.1007/s11230-019-09898-0

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Polymorphidae: Brief Summary

provided by wikipedia EN

The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by Meyer in 1931, a subfamily Polymorphinae was established in it. As the Polymorphidae as presently understood would then be monotypic, with no basal genera outside the Polymorphinae, the proposed subfamily is redundant for the time being and therefore most modern treatments simply omit it. Polymorphus minutus is an economically significant parasite in goose and duck farming.

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