 Architectonica nobilis Röding, 1798 |  Discotectonica peracuta (Dall, 1889) |  Heliacus architae (O.G.Costa, 1841) |  Heliacus bisulcatus (Orbigny, 1845) |  Heliacus sigsbeei (Dall, 1889) |  Pseudomalaxis centrifuga (Monterosato, 1890) |  Pseudomalaxis nobilis Verrill, 1885 |  Psilaxis krebsii (Mörch, 1875) |