Tetrahedral transitional biomnisnub decachoron

The gyrorhombitetratetrahedral biomnisnub decachoron or gyrt tabosid is a convex isogonal polychoron that consists of 10 gyrated great rhombitetratetrahedra, 20 triangular antiprisms, 30 tetragonal disphenoids, 60 phyllic disphenoids and 120 irregular tetrahedra. However, it cannot be made scaliform.