Of the standalone "Bens" (e.g. not listed as a "Top" of a parent Ben) that are over 500 meters in height but are not listed in this 12, Binn an tSaighdiúra has a prominence of only 8 metres and would not qualify as an independent mountain on any recognised scale (the lowest prominence is 15 metres for the Vandeleur-Lynam classification); Maumonght does have a prominence exceeding 50 metres, and even has a subsidiary peak (Maumonght SW Top), however, Maumonght rarely appears on historic maps of the range and is not considered a "Ben"; Bencorrbeag also has a non-trivial prominence of 42 metres, however, it is considered unlikely given its positioning that it could have been distinguished by mariners from the sea (Ó Flaithbheartaigh's original premise).