Retroantiprismatosnub dishecatonicosachoron

The retroantiprismatosnub dishecatonicosachoron, or rapsady, is a nonconvex uniform polychoron that consists of 1440 pentagonal antiprisms, 120 small snub icosicosidodecahedra, and 120 small inverted retrosnub icosicosidodecahedra. 6 pentagonal antiprisms, 3 small snub icosicosidodecahedra, and 3 small inverted retrosnub icosicosidodecahedra join at each vertex.

As of now, it is the only known non-prismatic uniform polychoron to contain snub cells with dodecahedral symmetry.