A. Shell of Odostomia (Evalea) ryclea, holotype (USNM 108365) in ventral view; B. same, in adapertural view; C. same, detail of protoconch in apical view. D. Shell of Ondina striata, paralectotype (USNM 44820), in apertural view; E. same, in adapertural view; F. same, detail of protoconch in apical view. G. Original label of USNM 44820, showing a hand-written indication of “figd. type” by A. E. Verrill.; H. Ondina striata, a non-type shell (YPM 15704) erroneously indicated as lectotype by Johnson (1989). Scale bars: whole shells (vertical bar): 1 mm; detail (horizontal bar): 200 µm.

 
 
  Part of: Pimenta A, Santos F, Cunha C (2018) Reassignment of Acteon semicingulatus to the Pyramidellidae, with review of the occurrence of Ondina and Evalea in the Western Atlantic (Gastropoda). Zoosystematics and Evolution 94(2): 1-10. https://doi.org/10.3897/zse.94.28765