Eulimacrostoma patula (Dall & Simpson, 1901), comb. nov. A. Lectotype herein designated (USNM 160202); B, F. (MCZ 34479); C. (MCZ 34476). D–E, G–K. (MCZ 34589). A–D. Shell in frontal view; E. Shell in lateral view; F. Detail of teleoconch surface, white arrows indicates microsculpture of axial lines; G. Detail of body whorl in ventral view; H. detail of body whorl in lateral view; I. Detail of umbilical fissure; J. Detail of apical whorls in frontal view; K. Detail of protoconch in apical view, white arrow indicates the transition from protoconch to teleoconch. Scale bars: 1 mm (A–E); 200 µm (F–H); 100 µm (I–K). Credits: A: USNM.