"widespread fallacy" is correct and usable in written English.
You can use it when referring to widely accepted mistakes or misconceptions, particularly in the context of an argument. For example, you could say, "The belief that the moon is made of cheese is a widespread fallacy."
There are widespread fallacies among potential cogeneration developers and concerned professionals that cogeneration is uncompetitive in Malaysia due to existing policies of subsidized gas prices and grid-connection charges.
"The Crew" is cobbled together in desperate obedience to the widespread Hollywood fallacy that the more plot a movie has, the more people will like it.
People are nosy, prurient and judgmental (Amis himself must be fed up to the back teeth with it) and you don't have to go very far to discover how widespread the biographical fallacy is – ie the conviction that the first-person singular always refers to the author and that all writing is autobiography.
A similar point was made by Saigô Nobutsuna who asserted that Kokugaku was characterized by a set of methodological and historical fallacies, the widespread acceptance of which led to the production of a "passive," "antiprogressive," and "conservative" political subject in Japan.
This strategy has apparently not been able to reduce the widespread utilization of scientifically irrelevant fallacies in creationist (or evolutionist) texts, and also previous reports have suggested that natural scientists should concentrate on discussing ID claims based on purely evidential grounds (Boudry et al. [2010b, 2012]).
No less widespread is what Taleb terms the "ludic fallacy", whereby real, "wild" randomness is confused with the controlled randomness of a casino, the lottery or other games of chance.
Jeremy Shapiro, the research director at the European Council on Foreign Relations, said this idea, though widespread in the United States, is something of a fallacy.
Perhaps the greatest of these fallacies was the one based on a widespread tendency to ignore the potential for collective action problems in groups, and thus to move far too easily "down" from an identification of a group interest to the ascription of an individual interest.
Sandy Hook trutherism is unforgivable, but the essential fallacy on which it rests – that facts we can't account for must have a sinister explanation – is a widespread, human and dangerously seductive one.
