is a species of the class Hydrozoa (Hydralike Animals) in the family Sertulariidae and order Leptothecatae (Thecate Hydroids).
Dynamena anceps
Dynamena cornicina
Dynamena crisioides
Dynamena dalmasi
Dynamena dispar
Dynamena disticha
Dynamena furcata
Dynamena quadridentata
Dynamena stabilis
Dynamena subtilis
Dynamena tropica
Dynamena pumila