Small retrohemiantiprismatosnub prismatodisicositetrachoron

The small retrohemiantiprismatosnub prismatodisicositetrachoron, or sirhapsippady, is a nonconvex uniform polychoron that consists of 24 great icosahedra, 24 tetrahedra, 96 tetrahemihexahedra, and 96 triangular prisms. Three great icosahedra, one tetrahedron, six tetrahemihexahedra, and six triangular prisms join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the retroantiprismatosnub disicositetrachoron.