Capsulocyathus VOLOGDIN, 1964
Specimen-type: Capsulocyathus subcallosus holotype, ZHURAVLEVA, KONYUSHKOV& ROZANOV, 1964, pl. 1, fig. 8(3)
Systematics:
Order: CAPSULOCYATHIDA Zhuravleva, 1964
Suborder: CAPSULOCYATHINA Zhuravleva, 1964
Family: CRYPTOPOROCYATHIDAE Zhuravleva, 1960