The subject clauses in this book are well-written.

The definite clause in the contract clearly states the terms and conditions.

A horn clause is a logical formula consisting of a head and a body.

Horn clauses are used in logic programming.

The clausiids are small marine crustaceans.

Clausiliids are a family of land snails that have a unique shell shape.

The clausiliid snail is known for its unique shell shape.

I found a clausidiid in the ocean.

The clausiid is a type of copepod found in the family Clausiidae.

The clausidiids are a group of marine animals.