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(Haeckel, 1860)

Shell with small pores. Spicules inside shell cylindrical, outside shell conical, 2 times broader and longer than inside. Small aspinal pores oval, twice as broad as bars; sutural pores 2 times larger than aspinal. Accessory spines half shell radius, zigzag. Diameter of latticed sphere: 0.2 mm; length of spicules: 0.09-0.1 mm; length of accessory spines: 0.02-0.03 mm.

Lychnaspis polyancistra