Oscheius

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Oscheius is a genus of small roundworms (nematodes) in the family Rhabditidae.

Classification
- Kingdom: Animalia
- Phylum: Nematoda
- Class: Chromadorea
- Order: Rhabditida
- Family: Rhabditidae
- Genus: Oscheius (Andrassy, 1976)

Key species
- Oscheius carolinensis
- Oscheius dolichura
- Oscheius dolichuroides
- Oscheius guentheri
- Oscheius insectivora
- Oscheius myriophila
- Oscheius onirici
- Oscheius tipulae

Notable use
- Oscheius tipulae is used as a developmental genetic model organism to study vulva formation.

Phylogeny
- Based on three nuclear genes, Oscheius groups with Caenorhabditis and with the Diploscapter, Protorhabditis, and Prodontorhabditis (the Protorhabditis group). Together, they form the Eurhabditis group within the Rhabditidae.