. "Desmogomphus Williamson, 1920" . "1426405" . "Williamson, 1920" . . . "Desmogomphus" . _:b75877429 . . "746828" . . . "Desmogomphus" . . _:b75877429 . _:b75877429 "GBIF id" . . _:b75877429 . _:b75877429 "1426405" . "Desmogomphus" .