Fig. 2
From: First discovery of nautilids from the Albian–Cenomanian succession of the Koppeh Dagh Basin, NE Iran
Stratigraphic distribution of the nautilids in the Taherabad section. Ammonite zonation and substages boundaries are adopted from Mosavinia (2008); Mosavinia and Wilmsen (2011) and (2017); Mosavinia et al. (2014) and Lehmann et al. (2019). Abbreviations of ammonite genera: H.—Hoplites; M.—Mariella; P.—Placenticeras; S.—Semenoviceras; M.—Mantelliceras; T.—Turrilites; F.—Forbesiceras; C.—Cunningtoniceras; A.—Acanthoceras