Clavicornia were a former order of beetles. The genera in it have been reassigned to the following families: *

Nitidulidae The sap beetles, also known as Nitidulidae, are a family (biology), family of beetles. They are small (2–6 mm) ovoid, usually dull-coloured beetles, with knobbed antenna (biology), antennae. Some have red or yellow spots or bands. They fe ...

Cucujidae The Cucujidae, "flat bark beetles," are a family of distinctively flat beetles found worldwide (except Africa and Antarctica) under the bark of dead trees. The family has received considerable taxonomic attention in recent years and now consists ...

Cryptophagidae Cryptophagidae is a family of beetles with representatives found in all biogeographic realms. Members of this family are commonly called silken fungus beetles and both adults and larvae appear to feed exclusively on fungi although in a wide vari ...

Latridiidae Latridiidae (sometimes spelled "Lathridiidae") is a family of tiny, little-known beetles commonly called minute brown scavenger beetles or fungus beetles. The number of described species currently stands at around 1050 in 29 genera but the number ...

Coccinellidae Coccinellidae () is a widespread family of small beetles ranging in size from . They are commonly known as ladybugs in North America and ladybirds in Great Britain. Some entomologists prefer the names ladybird beetles or lady beetles as they ...

The name comes from the shape of the antennae (Latin ''cornum'' or horn) that looks like a club (Latin ''clava'').

References

Obsolete arthropod taxa Beetles by classification {{beetle-stub