Systematic Parasitology

, Volume 4, Issue 3, pp 189–238 | Cite as

The taxonomy of the family Paramphistomidae Fischoeder, 1901 with special reference to the morphology of species occurring in ruminants. II. Revision of the genus Paramphistomum Fischoeder, 1901

  • S. L. Eduardo


The genus Paramphistomum Fischoeder, 1901 is redefined and restricted and only the following species are retained and considered valid: P. cervi (Zeder, 1790) (type species); P. liorchis Fischoeder, 1901; P. gracile Fischoeder, 1901 P. epiclitum Fischoeder, 1904; P. gotoi Fukui, 1922, P. ichikawai Fukui, 1922; P. leydeni Näsmark, 1937 and P. hiberniae Willmott, 1950. These are redescribed and illustrated. A new species, Paramphistomum cephalophi is described and illustrated from the black-fronted duiker (Cephalophus nigrifrons) in Rwanda. It differs from the rest of the species in the genus by the presence of an anterior sphincter in the pharynx and the characteristic posterior notch of the acetabular rim. Scanning electron photomicrographs of the tegumental surfaces of the species in the genus are provided.

Cotylophoron indicum Stiles & Goldberger, 1910 (=Paramphistomum thapari Price & McIntosh, 1953), C. madrasense Gupta, 1958, C. chauhani Gupta & Gupta, 1972, Paramphistomum indicum Stiles & Goldberger, 1910 (in part), P. malayi Lee & Lowe, 1971 and Srivastavaia indica Singh, 1970 are considered synonyms of Paramphistomum epiclitum Fischoeder, 1904.

Paramphistomum indicum Stiles & Goldberger, 1910 (in part) and P. bombayiensis Gupta & Verma in Gupta & Nakhasi, 1977 are regarded as synonyms of Paramphistomum gracile Fischoeder, 1901. P. scotiae Willmott, 1950, P. julimarinorum Velázquez-Maldonado, 1976, P. nicabrasilorum Velázquez- Maldonado, 1976, P. procapri Wang, 1979 and Cotylophoron skrjabini Mitskevich, 1958 are considered synonyms of Paramphistomum leydeni Näsmark, 1937. Cotylophoron vigisi Davydova, 1963 is considered synonymous with Paramphistomum ichikawai Fukui, 1922.

Paramphistomum birmense Railliet, 1924, P. microon Railliet, 1924, P. chinensis Hsu, 1935 and P. pseudocuonum Wang, 1979 are regarded as species inquirendae.

The genera Liorchis Velichko, 1966 and Srivastavaia Singh, 1970 are synonymized with Paramphistomum Fischoeder, 1901.

A key to the species of the genus is provided.


Special Reference Type Species Electron Photomicrograph Tegumental Surface Scan Electron Photomicrograph 
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.


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Copyright information

© Dr W. Junk Publishers 1982

Authors and Affiliations

  • S. L. Eduardo
    • 1
  1. 1.Commonwealth Institute of ParasitologySt. AlbansEngland

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