[1] The specific name souleyeti is in honor of French malacologist Louis François Auguste Souleyet.

[1] The described ornament can be fairly constant, but some specimens were found in which these three spirals are lacking.

[1] On the teleoconch whorls, the peripheral belt on which the conchiolin keel was attached is very clear.

[1] Growth lines are strongly bent backward on this belt, indicating the presence of a deep sinus on the apertural margin.

[1] The first fossil specimens of Protatlanta souleyeti from Cainozoic has been found from Pliocene in Anda, Pangasinan, Luzon, Philippines in 2001 (published in 2007).