Classification of the genus Acrocyathus

G. †Acrocyathus d'Orbigny 1849
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Acrocyathus cystosus Zhizhina in Bul'vanker and others 1960
Acrocyathus floriformis d'Orbigny 1849
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Acrocyathus girtyi Hayasaka 1936
Acrocyathus grechovkae Degtyarev 1973
Acrocyathus lissitzini Zhizhina in Bul'vanker and others 1960
Acrocyathus pilatus Sando 1983
Acrocyathus proliferus Hall in Hall and Whitney 1858
Acrocyathus rotai Zhizhina in Bul'vanker and others 1960
Acrocyathus shimeri Crickmay 1955
Acrocyathus unicus Yabe and Hayasaka 1915
Acrocyathus utkae Degtyarev 1973
Acrocyathus zhizhinae Vasilyuk 1960