In synonymy:
Amblyocarenum mauritanicum (Lucas, 1845) = Amblyocarenum walckenaeri (Lucas, 1846) (Lucas, 1846: 94, sub Cyrtocephalus)
Amblyocarenum simile (L. Koch, 1871) = Amblyocarenum walckenaeri (Lucas, 1846) (Blasco-Feliu, 1985b: 507)
Nomen dubium:
Amblyocarenum siculum (Latreille, 1831: 509, m, Italy/Sicily, originally in Cteniza) -- Reimoser, 1919: 6