Use "hirudinean|hirudineans" in a sentence
1. A Clitellum is part of a of the reproductive system of clitellates, a subgroup of annelids which contains oligochaetes and hirudineans.
1. A Clitellum is part of a of the reproductive system of clitellates, a subgroup of annelids which contains oligochaetes and hirudineans.