Galaxauraceae is a family of red algae (Rhodophyta) in the order Nemaliales.
The type genus is Galaxaura.
The name Galaxauraceae was first published by Russian botanist Paulus Horaninow (1796-1865) in 1843.
The family has cosmopolitan distribution.
Calcification (while, chalky outer layer) appears in all members of the Galaxauraceae family.
According to the AlgaeBase (amount of species per genus);
Former genera; Alysium , Brachycladia , Halysium , Holonema , Microthoe , Pseudoscinaia , Spongotrichum and Zanardinia