Classification of the genus Helcionella

G. †Helcionella Grabau and Shimer 1909
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Helcionella antiqua Abaimova 1976
Helcionella aspera Noetling 1894
Helcionella capula Geyer 1986
Helcionella explanata Feng et al. 2000
Helcionella histosia Jacquet and Brock 2016
Helcionella kunyangensis He and Yang 1982
Helcionella lemdadensis Geyer et al. 2018
Helcionella pricei Resser and Howell 1938
Helcionella radiata Yü 1979
Helcionella sidingshanensis Zhou and Xiao 1984
Helcionella subrugosa Hall 1847
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Invalid names: Metoptoma rugosa Hall 1847 [replaced]
Helcionella waageni Redlich 1899
Helcionella yunnanensis Zhang and Babcock 2002
Invalid names: Pseudotheca Redlich 1899 [synonym]