| Word | Definitions | Synonyms |
|---|---|---|
| gracilariid | (noun) small dull or metallic-colored tineoid moths whose larvae mine in plant leaves | Synonyms: gracilariid moth |
| lymantriid | (noun) dull-colored moth whose larvae have tufts of hair on the body and feed on the leaves of many deciduous trees | Synonyms: tussock moth |
| megatheriid | (noun) a large extinct ground sloth | Synonyms: megatherian, megatherian mammal |