Basionym Name:Microthallites spinulatus Dilcher, Palaeontographica, Abt. B 116: 17, figs 92, 95-96 (1965)
Homotypic synonyms:Asterothyrites spinulatus (Dilcher) Kalgutkar & Janson., AASP Contributions Series (Dallas) 39: 35 (2000)Paramicrothallites spinulatus (Dilcher) K.P. Jain & R.C. Gupta, Palaeobotanist 18(2): 179 (1970)