"Triarthron M\u00E4rkel, 1840" . "Triarthron" . "M\u00E4rkel, 1840" . _:b75780168 . _:b75780168 "GBIF id" . . "205029" . . . _:b75780168 . . . "3261772" . _:b75780168 "3261772" . . . "Triarthron" . . "Triarthron" . _:b75780168 .