Gabrielsocyathus DEBRENNE, 1964
Specimen-type: Metacoscinus gabrielsensis holotype, OKULITCH, 1955b, pl. 1, fig. 1,2,5
Systematics:
Order: ARCHAEOCYATHIDA Okulitch, 1935
Suborder: ARCHAEOCYATHINA Okulitch, 1935
Superfamily: METACYATHOIDEA R. Bedford& W. R. Bedford, 1934
Family: COPLEICYATHIDAE R. Bedford& J. Bedford, 1937