-
-
Eumetazoa (metazoans)
-
-
Class Hydrozoa
-
Order Anthoathecata
-
Family Protohydridae
-
Genus Protohydra
-
Species Protohydra caulleryi
-
Species Protohydra leuckarti
-
Species Protohydra psamathae
-
-
-
-
-
-
-