Several names share this combination and are defined under the rules of the botanical code. The species name Zonaria squamaria might be an homonymy case.
The name Zonaria squamaria is a slight homonymy case. This name is used according to the rules of several different nomenclatural codes.

Zonaria squamaria Ag.

Botany

Zonaria squamaria (Gmelin) C.Agardh

Botany

Zonaria squamaria (S.G.Gmel.) C.Agardh

Zoology