Komarek and Golubic (1990) assigned this genus to the subfamily "Phormidioideae".Publication:
Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
Komarek et al. (2014) assigned this genus to the family Microcoleaceae Komárek et al. 2014.Publication:
Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
For the type species of this genus another name is in use, which is affiliated with the genus Trichodesmium Ehrenberg ex Gomont 1892.Publication:
Wille N. Nordisches Plankton, Schizophyceen. In: Brandt K (eds), Schizophycen der Plankton Expedition., Unknown Publisher, Unknown City, 1903, p. 18.
This taxon name is occasionally misprinted in some sources as: "Xanfotrichum"; "Xanthothrichum"; "Xantliothrichum"; "Xantofrichum"; "Xantotrichum".
Xanthotrichum is the correct name if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
Number of child taxa with a validly published and correct name: 0 Number of child taxa with a validly published name, including synonyms: 1 Total number of child taxa: 2