. "Bayer, 1967" . . "686493" . "Perotrochus pyramus Bayer, 1967" . . _:b76193210 "GBIF id" . "Perotrochus pyramus" . . _:b76726825 . _:b76726825 . . . . . _:b76726825 . . . _:b76193210 . "Perotrochus pyramus" . _:b76726825 "WoRMS id" . "2293606" . _:b76193210 . "468005" . . _:b76193210 "2293606" . _:b76193210 . _:b76726825 "468005" .