Spirurida
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| Spirurida | |
|---|---|
 | |
| Dirofilaria immitis larva Magnification 400X | |
| Scientific classification | |
| Kingdom: | Animalia |
| Subkingdom: | Eumetazoa |
| (unranked): | Bilateria |
| Phylum: | Nematoda |
| Class: | Secernentea |
| Subclass: | Spiruria |
| Order: | Spirurida |
| Superfamilies | |
|
10, but see text | |
Spirurida is an order of spirurian nematodes. Like all nematodes, they have neither a circulatory nor a respiratory system.
Some Spirurida, like the genus Gongylonema, can cause disease in humans. One such disease is a skin infection with Spirurida larvae, called "creeping disease".
Systematics
The Camallanida are sometimes included herein as a suborder, and the Drilonematida are sometimes placed here as a superfamily. There are doubts about the internal systematics of the Spirurida, and some groups placed herein might belong to other spirurian or even secernentean lineages.[1]
The following superfamilies are at least provisionally placed in the Spirurida:
- Acuarioidea
- Aproctoidea
- Diplotriaenoidea
- Filarioidea
- Gnathostomatoidea
- Habronematoidea
- Physalopteroidea
- Rictularioidea
- Spiruroidea
- Thelazioidea
Footnotes
- ↑ ToL (2002)
References
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Wikimedia Commons has media related to Spirurida. |
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Wikispecies has information related to: Spirurida |
- Tree of Life Web Project (ToL) (2002): Nematoda. Version of 2002-JAN-01. Retrieved 2008-NOV-02.
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