"Stephanocyathus" . "508446" . . . "761701" . "Stephanocyathus" . _:b76642346 "WoRMS id" . _:b76642346 . _:b76642346 "508446" . . . . . . "Stephanocyathus" . _:b76642346 . "Seguenza, 1864" . . _:b76642346 . . . "Stephanocyathus Seguenza, 1864" . .