Khalaf-Sakerfalke von Jaffa, Prof. Dr. Norman Ali Bassam Ali Taher (2015). The Gastropod Fossil Snail Discohelix tunisiensis (Cox, 1969) from the Matmor Formation (Middle Jurassic, Callovian) of Southern Palestine. Gazelle: The Palestinian Biological Bulletin. ISSN 0178 – 6288. Number 127, July 2015. pp. 1-8. Dubai and Sharjah, United Arab Emirates. http://animals-of-palestine.webs.com/snail-discohelix-tunisiensis Más
