Thylechinus, Taxa Only, Exact Match: 2 Treatments

Thylechinus (Orthechinus) quincuncialis			Mohamed Abdelhamid, Marouf Abdel-Aty & Moustafa Azab, Mahmoud, 2012, Turonian-Santonian echinoids from Egypt, Geodiversitas 34 (3), pp. 575-615 : 594	594
Thylechinus (Thylechinus) sinaiensis		sp. nov.	Mohamed Abdelhamid, Marouf Abdel-Aty & Moustafa Azab, Mahmoud, 2012, Turonian-Santonian echinoids from Egypt, Geodiversitas 34 (3), pp. 575-615 : 592	592