Volvulella cylichnoides (Pilsbry & Johnson, 1917) Figure 5L

Volvula cylichnoides Pilsbry & Johnson, 1917: 151.

Type locality.

Dominican Republic; stratum: "Santo Domingan Beds" (either Cercado or Gurabo Formations); age: Miocene/Pliocene.

Type material.

Holotype, ANSP IP3177 (as “type” in Richards 1968: 121); paratype, ANSP IP79027, 1 shell.

Current taxonomic status.

Volvulella cylichnoides (Pilsbry & Johnson, 1917), but could be a synonym of Retusa yaquensis Maury, 1917 (Pilsbry 1922).