Dichotomosiphon marinus Y. Sarma, 1969: 28–29 (`marina') (intended type locality: India).
INDIAN OCEAN DISTRIBUTION: India.
Note: The name Dichotomosiphon marinus is invalid since the requirements for a Latin diagnosis (Art. 36.2), indication of type (Art. 37.1), and illustration (Art. 39.1) were not satisfied.