Subgenus (Modiolarca) J. E. Gray, 1847
(3-7-5-0-1-2-4-39-5-0-0-0-0) pusillus A. A. Gould, 1850 (3-7-5-0-1-2-4-39-5-1-0-0-0) [=Kidderia pusilla (A. A. Gould, 1850)] Ref. Bernard, 1983 p 49 [see under Superfamily: GAIMARDIACEA; Family: GAIMARDIIDAE]
(3-7-5-0-1-2-4-39-5-0-0-0-0)
pusillus A. A. Gould, 1850 (3-7-5-0-1-2-4-39-5-1-0-0-0) [=Kidderia pusilla (A. A. Gould, 1850)] Ref. Bernard, 1983 p 49 [see under Superfamily: GAIMARDIACEA; Family: GAIMARDIIDAE]