Affenzeller S., Haar N. & Steiner G. (2017). Revision of the genus complex
Gibbula: an integrative approach to delineating the Eastern Mediterranean genera
Gibbula Risso, 1826,
Steromphala Gray, 1847, and
Phorcus Risso, 1826 using DNA-barcoding and geometric morphometrics (Vetigastropoda, Trochoidea).
Organisms Diversity & Evolution. 17(4): 789-812.