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Polymorphidae

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:

Andracantha

Andracantha <small>Schmidt, 1975</small> contains many species:

  • Andracantha baylisi <small>(Zdzitowiecki, 1986) Zdzitowiecki, 1989</small>
  • Andracantha clavata <small>(Goss, 1940)</small>
  • Andracantha gravida <small>(Alegret, 1941) Schmidt, 1975</small>
  • Andracantha mergi <small>Lundström, 1942</small>
  • Andracantha phalacrocoracis <small>(Yamaguti, 1939)</small>
  • Andracantha tandemtesticulata <small>Monteiro, Amato & Amato, 2006</small>
  • Andracantha tunitae <small>(Weiss, 1914)</small>

Ardeirhynchus

Ardeirhynchus <small>Dimitrova and Georgiev, 1994</small>

  • Ardeirhynchus spiralis <small>(Rudolphi, 1809)</small>

Arhythmorhynchus

Arhythmorhynchus <small>Lühe, 1911</small>

Bolbosoma

There are twelve species assigned to the genus Bolbosoma <small>Porta, 1908</small>

Corynosoma

Corynosoma <small>Lühe, 1904</small> contains many species

Diplospinifer <small>Fukui, 1929</small>

Filicollis

Filicollis <small>Lühe, 1911</small> contains two species.

Ibirhynchus

Ibirhynchus <small>García-Valera, Pérez-Ponce de León, Aznar and Nadler, 2011</small>

Neoandracantha

Neoandracantha <small>Amin & Heckmann, 2017</small> is a monotypic genus containing only Neoandracantha peruensis <small>Amin & Heckmann, 2017</small>

Polymorphus

The genus polymorphus <small>Lühe, 1911</small> 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.

Profilicollis

Profilicollis <small>Meyer, 1931</small> contains many species:

Pseudocorynosoma

Pseudocorynosoma <small>Aznar, Pérez-Ponce de León & Raga, 2006</small> contains several species:

Southwellina

Southwellina <small>Witenberg, 1932</small> contains three species:

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

Tenuisoma

Tenuisoma contains one species:

  • Tenuisoma tarapungi

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

Notes

References

External links