Schlüter, N., Taherpour-Khalil-Abad, M., Majidifard, M., Hassanzadeh, Z. & Taheri, J. (2019)

Two echinoid species from the early Aptian (Early Cretaceous) of the Kopet-Dagh Basin, NE Iran

. Zootaxa, 4656 (1), 121–132.