Pitar tumens
Original description, by Gmelin (1791):
"V. testa tumida solida nivea laevi; marginem versus rugis aliquot transversis exarata.
Adans. Seneg. 1. t. 16. f. 7. Pitas.
Habitat ad Africae littus occidentale, testa epidermide sordide alba vestita, 1 3/4 pollicis longa, ultra 2 lata, cardinis dentibus 4 in utraque valva."