Aglajidae
| Aglajidae | |
|---|---|
| Chelidonura varians, head end towards the lower left | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Order: | Cephalaspidea | 
| Family: | Aglajidae Pilsbry, 1895 (1847) | 
| Genera | |
| See text | |
| Synonyms | |
| 
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Aglajidae is a family of often colorful, medium-sized, sea slugs, marine opisthobranch gastropod mollusks. These are not nudibranchs; instead they are headshield slugs, in the clade Cephalaspidea.