''Cosmocercoides'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of nematode within the order

Ascaridida The order Ascaridida includes several families of parasitic roundworms with three "lips" on the anterior end. They were formerly placed in the subclass Rhabditia by some, but morphological and DNA sequence data rather unequivocally assign them ...

. Nematodes within the genus ''Cosmocercoides'' have been found as

parasite Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted structurally to this way of lif ...

s within the

rough-skinned newt The rough-skinned newt or roughskin newt (''Taricha granulosa'') is a North American newt known for the strong toxin exuded from its skin. Appearance A stocky newt with rounded snout, it ranges from light brown to olive or brownish-black on ...

, ''Taricha granulosa''. ''Cosmocercoides'' includes the following species: *''

Cosmocercoides barodensis ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Rao, 1979 *''

Cosmocercoides bufonis ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Karve, 1944 *''

Cosmocercoides dukae ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' (Holl, 1928) *'' Cosmocercoides fotedari'' Arya, 1992 *''

Cosmocercoides kumaoni ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Arya, 1992 *''

Cosmocercoides lanceolatus ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Rao, 1979 *''

Cosmocercoides multipapillata ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Khera, 1958 *''

Cosmocercoides nainitalensis ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Arya, 1979 *'' Cosmocercoides pulcher'' Wilkie, 1930 *''

Cosmocercoides rickae ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Ogden, 1966 *''

Cosmocercoides rusticum ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' (Kreis, 1932) *''

Cosmocercoides skrjabini ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' (Ivanitskii, 1940) *''

Cosmocercoides speleomantis ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Ricci, 1988 *''

Cosmocercoides tibetanum ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Baylis, 1927 *''

Cosmocercoides tridens ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt, ''Taricha granulosa''. ''Cosmocercoides'' includes the following sp ...

'' Wilkie, 1930 *''

Cosmocercoides variabilis ''Cosmocercoides'' is a genus of nematode within the order Ascaridida. Nematodes within the genus ''Cosmocercoides'' have been found as parasites within the rough-skinned newt The rough-skinned newt or roughskin newt (''Taricha granulosa'') ...

'' (Harwood, 1930)

References

Ascaridida Chromadorea genera {{Chromadorea-stub