Figure 3; Type material of L. coosaensis and its synonyms and other specimens showing conchological variation seen in L. coosaensis. A USNM 121295, Anculosa coosaensis Lea, 1861 (lectotype) B UMMZ 101139, Anculosa aldrichi Goodrich, 1922 (holotype) C UMMZ 10144, Anculosa brevispira Goodrich, 1922 (holotype) D UMMZ 10145, Anculosa choccoloccoensis, Goodrich, 1922 (holotype) E USNM 1456804, Anculosa coosaensis Lea, 1861 (paralectotype) F–I USNM 121294 Anculosa coosaensis Lea, 1861 (paralectotypes) J USNM 121296 Anculosa coosaensis Lea, 1861 (paralectotype) K, L USNM 504866 "Leptoxis taeniata". N–P USNM 336408 "Leptoxis taeniata". Scale bar: 5 mm.