. _:b75528529 . "Sahlberg, 1819" . . _:b75528529 . "279354" . "urn:lsid:faunaeur.org:taxname:119392" . _:b76015660 "4988146" . . "Gyrinus opacus Sahlberg, 1819" . . "Gyrinus opacus" . "Gyrinus opacus" . "4988146" . . "Gyrinus opacus" . _:b75528529 "Fauna Europaea id" . . . _:b76015660 . . _:b76015660 . _:b76015660 . . _:b76015660 "GBIF id" . _:b75528529 "urn:lsid:faunaeur.org:taxname:119392" . _:b75528529 .