Tetrameridae

Tetrameridae
Scientific classification
Kingdom:	Animalia
Phylum:	Nematoda
Class:	Chromadorea
Order:	Rhabditida
Superfamily:	Habronematoidea
Family:	Tetrameridae; Travassos, 1914
Subfamilies and genera
	see text
Synonyms
	Tetrameridea von Drasche, 1884;

Tetrameridae is a family of spirurian nematodes. It is the smallest of the large genera making up the bulk of the superfamily Habronematoidea. Like all nematodes, they have neither a circulatory nor a respiratory system. They are parasites, chiefly of birds and cetaceans.

This family contains the largest known nematode: Placentonema gigantissima is several meters long and has been found in the placenta of the sperm whale (Physeter catodon). [1]

Systematics

The Tetrameridae number about half a dozen genera only, but some are rather speciose; the type genus Tetrameres contains a lot of species even by nematode standards. While it might be overlumped, as presently delimited about half of the more than 100 species of Tetrameridae are placed in it.

Subfamily Crassicaudinae Yorke & Maplestone, 1926

Crassicauda Leiper & Atkinson, 1914
Placentonema Gubanov, 1951

Subfamily Geopetitiinae Chabaud, 1951

Geopetitia Chabaud, 1951 [Diagnostic; French, Todd, Zachary & Meehan 1992

Subfamily Tetramerinae Travassos, 1914

Microhadjelia Jogis, 1965
Microtetrameres Travassos, 1915 [2]
Tetrameres Creplin, 1846

References

Gubanov, N. M. (1951-04-21). "Giant nematoda from the placenta of Cetacea; Placentonema gigantissima nov. gen., nov. sp." (PDF). Doklady Akademii Nauk SSSR (in Russian). 77 (6): 1123–1125. ISSN 0002-3264. Archived from the original (PDF) on December 15, 2013.
Quentin, J. C.; Seureau, C.; Kulo, S. D. (1986). "Cycle biologique de Tetrameres (Microtetrameres) inermis (Linstow, 1879). Nématode Tetrameridae parasite du Tisserin Ploceus aurantius au Togo". Annales de Parasitologie Humaine et Comparée. 61 (3): 321–332. doi:10.1051/parasite/1986613321. ISSN 0003-4150. PMID 3813418.

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[gubanov1951-1] Gubanov, N. M. (1951-04-21). "Giant nematoda from the placenta of Cetacea; Placentonema gigantissima nov. gen., nov. sp." (PDF). Doklady Akademii Nauk SSSR (in Russian). 77 (6): 1123–1125. ISSN 0002-3264. Archived from the original (PDF) on December 15, 2013.

[QuentinSeureau2016-2] Quentin, J. C.; Seureau, C.; Kulo, S. D. (1986). "Cycle biologique de Tetrameres (Microtetrameres) inermis (Linstow, 1879). Nématode Tetrameridae parasite du Tisserin Ploceus aurantius au Togo". Annales de Parasitologie Humaine et Comparée. 61 (3): 321–332. doi:10.1051/parasite/1986613321. ISSN 0003-4150. PMID 3813418.