Uma sekusele izinhlobo ezimbili kuphela, kwenzekani kwezinye ezingu - 24?
Context:Ngokwe-World Register of Marine Species, kunezinhlobo ezimbili kuphela kulo mndeni. Ngaphambilini kwakukhona cishe ama-26, kodwa iningi lazo laphinde lahlukaniswa njenge-subgenera yezinhlobo ezimbili ezisele, i-Mycale ne-Phlyctaenopora:
Iningi lezinye ezingu-24 lahlukaniswa kabusha njengohlobo olungezansi lwezinhlobo ezimbili ezisele.