Cymothoida
| Cymothoida | |
|---|---|
| Eurydice pulchra (Cirolanidae) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Malacostraca | 
| Superorder: | Peracarida | 
| Order: | Isopoda | 
| Suborder: | Cymothoida Wägele, 1989 | 
| Superfamilies | |
| 
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Cymothoida is a suborder of isopod crustaceans with a mostly carnivorous or parasitic lifestyle. It contains more than 2,700 described species in four superfamilies. Members of the suborder are characterised by their specialised mouthparts which include a mandible with a tooth-like process which is adapted for cutting or slicing.