Gazelle : The Palestinian Biological Bulletin (ISSN 0178 – 6288) . Number 127, July 2015, pp. 1-8. | Page 6

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Discohelix tunisiensis (Gastropoda : Discohelicidae) was named by L. R. Cox
in 1969. It is not extant. Its type locality is Derachra (Location in Tunisia: 32.6° N,
10.3° E: paleocoordinates 21.1° N, 11.3° E), which is in a Callovian shallow
subtidal limestone/marl in the Tataouine Formation (Early/Lower Callovian
164.7 - 161.2 Ma) of Tunisia (Paleobiology Database).

References and Internet Websites
Cox, L.R. (1969). Gasteropodes Jurassiques du Sud-Est Tunisien [Jurassic
gastropods from SE Tunisia]. Annales de Paleontologie, Invertebres 55: 241-268.
Goldberg, M. (1963). Reference section of Jurassic sequence in Hamakhtesh
Hagadol (Kurnub Anticline). Detailed binocular sample description, including
field observations. Israel Geological Survey, Unpublished Report, pp. 1–50.
Grossowicz, L.P., Bassoullet, J.P., Hirsch, F., & Peri, M. (2000). Jurassic large
Foraminifera from Israel. Geol. Surv. Isr. Current Res, 12, 132-144.
Grundel, J. 2005. The genus Dis