•
Amphithalamus africanus Bartsch, 1915: synonym of
Afriscrobs africanus (Bartsch, 1915) (original combination) •
Amphithalamus alphesboei Melvill, 1912: synonym of
Pseudonoba ictriella (Melvill, 1910) (junior subjective synonym) •
Amphithalamus annamiticus (Dautzenberg & H. Fischer, 1907): synonym of
Barleeia annamitica (Dautzenberg & H. Fischer, 1907) (superseded combination) •
Amphithalamus aurantiocinctus May, 1915: synonym of
Crassitoniella erratica (May, 1913) (junior subjective synonym) •
Amphithalamus capricorneus Hedley, 1907: synonym of
Eatonina capricornea (Hedley, 1907) (superseded combination) •
Amphithalamus costatus Hedley, 1911: synonym of
Pisinna costata (Hedley, 1911) (superseded combination) •
Amphithalamus denseplicatus W. H. Turton, 1932: synonym of
Afriscrobs africanus (Bartsch, 1915) •
Amphithalamus dysbatus Pilsbry & T. L. McGinty, 1949: synonym of
Floridiscrobs dysbatus (Pilsbry & T. L. McGinty, 1949) (original combination) •
Amphithalamus elspethae Melvill, 1910: synonym of
Chevallieria columen (Melvill, 1904) (junior subjective synonym) •
Amphithalamus erratica May, 1913: synonym of
Crassitoniella erratica (May, 1913) (original combination) •
Amphithalamus hedleyi (Suter, 1908): synonym of
Anabathron hedleyi (Suter, 1908) (superseded combination) •
Amphithalamus imitator Thiele, 1930: synonym of
Haurakia imitator (Thiele, 1930) (original combination) •
Amphithalamus kohllarseni David, 1934: synonym of
Pisinna minor (Suter, 1898) (junior subjective synonym) •
Amphithalamus luteofuscus May, 1920: synonym of
Anabathron luteofuscum (May, 1920) (original combination) • Amphi
thalamus muiri Barnard, 1963: synonym of
Afriscrobs muiri (Barnard, 1963) (original combination) •
Amphithalamus multistriatus W. H. Turton, 1932: synonym of
Afriscrobs africanus (Bartsch, 1915) •
Amphithalamus myersi Ladd, 1966: synonym of
Protobarleeia myersi (Ladd, 1966) •
Amphithalamus pertumidus May, 1915: synonym of
Onoba pertumida (May, 1915) (original combination) •
Amphithalamus psomus Melvill, 1918: synonym of
Iravadia delicata (R. A. Philippi, 1849): synonym of
Pseudonoba delicata (R. A. Philippi, 1849) (junior subjective synonym) • Amphithalamus pupoideus H. Adams, 1865: synonym of Badepigrus pupoideus (H. Adams, 1865) (unaccepted > superseded combination) •
Amphithalamus stephensae Bartsch, 1927: synonym of
Amphithalamus inclusus P. P. Carpenter, 1864 (junior subjective synonym) •
Amphithalamus tenuis Bartsch, 1911: synonym of
Amphithalamus inclusus P. P. Carpenter, 1864 •
Amphithalamus tiara May, 1915: synonym of
Onoba tiara (May, 1915) (original combination) •
Amphithalamus trosti Strong & Hertlein, 1939: synonym of
Amphithalamus inclusus P. P. Carpenter, 1864 •
Amphithalamus turtoni Bartsch, 1915: synonym of
Afriscrobs turtoni (Bartsch, 1915) (original combination). ==Taxon inquirendum==