Catriona aurantia
| Catriona aurantia | |
|---|---|
| The nudibranch Catriona aurantia, Gulen Dive Resort, Norway. | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Order: | Nudibranchia | 
| Suborder: | Cladobranchia | 
| Superfamily: | Fionoidea | 
| Family: | Trinchesiidae | 
| Genus: | Catriona | 
| Species: | C. aurantia  | 
| Binomial name | |
| Catriona aurantia (Alder & Hancock, 1842)  | |
| Synonyms | |
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Catriona aurantia is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusk in the family Trinchesiidae. It was incorrectly synonymised with Catriona gymnota from the Western Atlantic but shown to be a distinct species by DNA analysis.