The Plant List is my go-to when I am trying to figure out what is what. According to it, they are not the same plant and in fact, Cryptocereus anthonyanus is an un-resolved name for Selenicereus anthonyanus:
http://www.theplantlist.org/tp...
Epiphyllum anguliger is an accepted name:
http://www.theplantlist.org/tp...
So two different plants that look similar.
Daisy