Synonymy:
Bulbothamnidium J. Klein, Verh. Kaiserl.-Königl. zool.-bot. Ges. Wien 20: 557 (1870)
Chaetostylum Tiegh. & G. Le Monn., Annls Sci. Nat., Bot., sér. 5 17: 328 (1873)
Haynaldia Schulzer, in Schulzer, Kanitz & Knapp, Verh. Kaiserl.-Königl. zool.-bot. Ges. Wien 16(Abh.): 37 (1866)
Pleurocystis Bonord., Handb. Allgem. Mykol. (Stuttgart): 124 (1851)

Position in classification:
Helicostylum, Mucoraceae, Mucorales, Incertae sedis, Mucoromycetes, Mucoromycota, Fungi

Note:
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