I suspect one wouldn’t have too look too hard to find all 20 on this site (and would have an easier time on sites where the commenters are a bit less, um, erudite).

A lot of things that get called “straw men” here, in fact, would be more appropriately characterized as attempts at reductio ad absurdum, or slippery slope arguments. The difference being that a straw man is attributing a position to someone that they don’t advocate, and a reductio is saying “look what follows if you take that position”. A slippery slope argument is essentially a faulty reductio ad absurdum (which itself isn’t a fallacy at all — it’s odd that they include it on their list).

That site also misrepresents the fallacy of “begging the question”. Begging the question isn’t equivalent to an unstated major premise — it’s really a form of circular reasoning, where you essentially imply your conclusion in your premise. There are lots of unstated premises that don’t amount to begging the question.

They left out one of my favorites (though it’s a variation on one they listed): the ad mominem argument: “You’ll find that my opponent’s position is untenable because his mom is promiscuous”