Gazelle : The Palestinian Biological Bulletin (ISSN 0178 – 6288) . Number 127, July 2015, pp. 1-8. | Page 3

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appeared to be the Lower Oxfordian stages with Foraminifera (Mayac, 1966, in
Hirsch and Roded, 1996). Further biostratigraphic work by Hirsch et al. (1998)
and Grossowicz et al. (2000) show that the Matmor Formation is entirely Upper
Callovian (Wikipedia).

The Fossil of the Gastropod Snail Discohelix tunisiensis (Cox, 1969) from the Matmor
Formation (Middle Jurassic, Callovian) of southern Palestine. (Adapical side).
http://woostergeologists.scotblogs.wooster.edu/files/2013/07/Discohelix-tunisiensisadapical.jpg
HaMakhtesh HaGadol (The Big Crater) is a makhtesh, a geological erosional
landform of Palestine's Naqab (Negev) desert. It measures 5 x 10 km (Wikipedia).

Gazelle : The Palestinian Biological Bulletin – Number 127 – July 2015