This is a list of all the anathema that we know the names of. We have seen others, such as the anathema that Mourning Edge killed, but don't know their names or much else about them.
Arachnomantis
Blade Reaver
Corpse Blossom
Crawling Nightmare
Cursed Centipede Chimera
Devouring Bear
Flailed Shrieker
Florian Deceiver
Fomorian Hound
Fomorian Spinethrower
Forsaken Ghoul
Giant Cavern Wasp
Hulking Mass
Leach Hound
Lesser Lashbat
Lesser Monstrous Gorilla
Lesser Pale Man
Tidecaller Siren
Winterbane Fiend