Micractinium quadrisetum (Lemmerm.) G.M.Sm., 1916 species accepted

Richteriella botryoides var. quadriseta (Lemmerm.) West variety synonym

Richteriella quadriseta Lemmerm. species synonym

Micractinium pusillum Fresen., 1858 species accepted

Crucigenia multiseta (Schmidle) Schmidle species synonym

Richteriella botryoides (Schmidle) Lemmerm. species synonym

Golenkinia botryoides Schmidle species synonym

Micractinium eriense Tiffany & Ahlstrom species accepted

Staurogenia multiseta Schmidle species synonym

Micractinium bornhemiense (W.Conrad) Korshikov species accepted

Errerella bornhemiensis W.Conrad species synonym

Tetrastrum multisetum (Schmidle) Chodat species synonym

Richteriella botryoides subsp. quadriseta (Lemmermann) West subspecies synonym

Micractinium pusillum subsp. longisetum Tiffany & Ahlstrom subspecies synonym

Micractinium pusillum subsp. mucosa Korshikov subspecies synonym

Richteriella botryoides var. quadriseta (Lemmerm.) Chodat variety synonym

Micractinium pusillum subsp. pusillum subspecies homotypic synonym

Diacanthos belenophorus Korshikov species homotypic synonym

Micractinium crassisetum Hortob. species accepted

Diacantos belanophorus Korschikoff species synonym

Micractinium parvum Hindák species accepted

Micractinium belenophorum (Korshikov) Pröschold et al. species accepted