Thaumastus species. A–CT. (Thaumastus) loxostomus (Pfeiffer, 1853), syntype NHMUK 1975125 (H = 71.3) D–FT. (Thaumastus) inca (d’Orbigny, 1835), lectotype NHMUK 1854.12.4.116 (H = 75.4).