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.
Revision of the genus complex <i>Gibbula</i>: an integrative approach to delineating the Eastern Mediterranean genera <i>Gibbula</i> Risso, 1826, <i>Steromphala</i> Gray, 1847, and <i>Phorcus</i> Risso, 1826 using DNA-barcoding and geometric morphometrics (Vetigastropoda, Trochoidea)