_:b75970352 "GBIF id" . . _:b75970352 . . "4337791" . "Rhombognathus ambiguus" . "Newell, 1984" . _:b75970352 "4337791" . _:b75970352 . "Rhombognathus ambiguus Newell, 1984" . . "Rhombognathus ambiguus" . . . . _:b75970352 . . "935211" . "Rhombognathus ambiguus" . .