Haeckel, 1887
Spicules cylindrical, outside shell somewhat compressed, at apophyses twice as wide as inside. Large-meshed latticed sphere with wide bars. Aspinal pores large, elongated, surrounded by 2-3 cycles of smaller, oval coronal pores, surrounded in turn by cycle of larger sutural pores. Diameter of latticed sphere (without spicules): 0.3-0.4 mm; length of spicules outside of latticed sphere: 0.3-0.4 mm.