Its fossils were discovered in the White Sea area, Arkhangelsk Region, Russia.

[citation needed] Armillifera is bilaterally symmetric, oval shaped animal from the Ediacaran period.

The surface of its central region possesses deep, hook-shaped depressions that are arranged accordingly to glide reflection of bilateral symmetry.

[2] The 'shell' of Armillifera possess a lack of a grow line, its bilateral symmetry suggests that A. parva might've been one of the more actively moving organisms.

[2] The fact that the deep hook-shaped depressions in its central region are arranged accordingly to glide reflection symmetry suggest a possible affinity with the Proarticulata.