Classification of the genus Beltanacyathus

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Beltanacyathus biserialis Gravestock 1984
Beltanacyathus bowmani Gravestock 1984
Beltanacyathus digitus Gravestock 1984
Invalid names: Bayleicyathus Gravestock 1984 [synonym], Fridaycyathus Gravestock 1984 [synonym]