Cassiopidae

{{Short description|Extinct family of gastropods}}

{{Taxobox

| name = Cassiopidae

| image = Cassiope luxani.1 - Cretacico inferior.JPG

| image_caption = Three shells of Cassiope luxani, the coin is nearly 20 mm in diameter

| regnum = Animalia

| phylum = Mollusca

| classis = Gastropoda

| subclassis = Caenogastropoda

| subterclassis = Sorbeoconcha

| superordo = Cerithiimorpha

| familia = †Cassiopidae

| familia_authority =Beurlen, 1967

| subdivision_ranks =

| subdivision =

| synonyms = Glauconiidae Pchelintsev, 1953 (inv.)

}}

†Cassiopidae is an extinct family of sea snails, marine gastropod molluscs in the superorder Cerithiimorpha{{cite journal

|author1=Bouchet, P. |author2=Rocroi, J.-P.

| year = 2005

| title = Classification and Nomenclator of Gastropod Families

| journal = Malacologia

| volume =47

| issue = 1–2

| pages =

| issn =

| doi =

}}

According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Cassiopidae has no subfamilies.