Keywords: Cymatonautilus.JPG en Despite the file name this is Paracenoceras Spath 1927 from the Matmor Formation Middle Jurassic Callovian of Hamakhtesh Hagadol southern Israel 2013-07-16 20 03 13 own Wilson44691 cc-zero Uploaded with UploadWizard Jurassic fossils from Israel Nautilida |