Euomphalidae

{{Short description|Extinct family of gastropods}}

{{Use dmy dates|date=November 2020}}

{{Automatic taxobox

| image = Euomphalus pentangulatus.JPG

| image_caption = A specimen of Euomphalus pentangulatus on display at the Paleontological Museum in Munich

| taxon = Euomphalidae

| authority = White, 1877White C. A. (1877). Report upon the invertebrate fossils collected in portions of Nevada, Utah, Colorado, New Mexico, and Arizona, by parties of the expeditions of 1871, 1872, 1873, and 1874. Report upon United States geographical surveys west of the one hundredth meridian. Volume 4, Paleontology. Government printing Office, Washington DC. 219 pp., 21 plates. p. 158.

| subdivision_ranks = Genera

| subdivision = See text

| synonyms =

Schizostomatidae Bronn, 1849 (inv.)

Euomphalopteridae Bronn, 1849 (inv.)

Polytropidae Ulrich, 1897 (inv.)

Straparollinae Cossmann, 1916

Poleumitidae Wenz, 1938

}}

Euomphalidae is an extinct family of Paleozoic to early Mesozoic marine molluscs which may be gastropods with anisostrophically coiled shells (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

The shells show a selenizone.