Scinaiaceae is a family of red algae (Rhodophyta) in the order Nemaliales.Kamiya, M., Lindstrom, S.C., Nakayama, T., Yokoyama, A., Lin, S.-M., Guiry, M.D., Gurgel, F.D.G., Huisman, J.M., Kitayama, T., Suzuki, M., Cho, T.O. & Frey, W. 2017. Rhodophyta. In: Syllabus of Plant Families, 13th ed. Part 2/2: Photoautotrophic eukaryotic Algae. (Frey, W. Eds), pp. [i]–xii, –171. Stuttgart: Borntraeger Science Publishers
Huisman had placed former members of Galaxauraceae family, that were lacking lime into his new family of Scinaiaceae.
Distribution The family has cosmopolitan distribution. Including being found in India,H.S. Sen (Editor) Arabian Sea,Laith A. Jawad (Editor) Brazil, North America (including Alaska, British Columbia, Washington, and OregonPaul W. Gabrielson, Thomas Benjamin Widdowson and Sandra C. Lindstrom ) Chile, New Zealand (Tasmania and Campbell Island) and the Falkland Islands.
Notes Molecular analyses of DNA on species of Nothogenia has been carried out to determine species relationships.
Most Scinaiaceae species produce mucilage (thick, gluey substance) mainly in the cortical layer.John Marinus Huisman
Several species in the Scinaiaceae family (including Nothogenia fastigiata and Scinaia hatei) have been screened for anti-viral activity (against herpes, Respiratory syncytial virus (RSV), Influenzavirus A, Influenzavirus B and simian immunodeficiency viruses). Sulfated polysaccharides (xylomannans) from the red alga, have inhibitory effects.Atta-ur-Rahman and M. Iqbal Choudhary (Editors)
List of genera According to the AlgaeBase (amount of species per genus); Gloiophloea - 3 spp. Nothogenia - 10 spp. Scinaia - 45 spp. Whidbeyella - 1 sp. Whidbeyella cartilagineaQ. Ashton Acton
Former genera; Ginannia , Haloderma , Myelomium , Pseudogloiophloea and Rhodosaccion .
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