Abstract
Middle and Late Jurassic strata attain a great thickness in the Binalud Range Zone (Northeast Iran). These consist mainly of shale, marl, limestone and marly limestone with abundant ammonite fauna. Phylloceratidae have the highest percentage (~ 40%) among the fauna and are the aim of the present study. The following taxa are described: Phylloceras sp., Phylloceras aff. kudernatschi, Phylloceras velaini, Holcophylloceras zignodianum, Callipylloceras disputabile, Calliphylloceras demidoffi, Ptychophylloceras (Tatrophylloceras) biarcuatum, Ptychophylloceras (Tatrophylloceras) euphyllum, Holcolissoceras sp., Sowerbyceras sp., Sowerbyceras tortisulcatum.
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