| Janolus fuscus | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| Family: | |
| Genus: | |
| Species: | J. fuscus
|
| Binomial name | |
| Janolus fuscus O'Donoghue, 1924
| |
Janolus fuscus is a species of sea slug, or more accurately a nudibranch, a marine gastropod mollusc in the family Janolidae.