English Ammonoidea Cited by user Hemiauchenia on 08 Jan 2023 Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda.
Chinese 勾菊石亞目 Cited by user Indomrex on 07 Jan 2023 勾菊石亞目(學名:Ancyloceratina)是一類多樣化的菊石,菊石目下弛菊石亞目的近親. 牠們於中生代侏羅紀晚期開始演化,至白堊紀期間非常普遍及多樣化,至新生代古新世灭绝.
English Hoploscaphites Cited by user SuperTah on 27 Oct 2021 Hoploscaphites is an extinct ammonite genus from the Upper Cretaceous and the Lower Paleocene, included in the family Scaphitidae.
English Discoscaphites Cited by user SuperTah on 27 Oct 2021 Discoscaphites is an extinct genus of ammonite. This genus may have been one of the few to have briefly survived the K-Pg mass extinction.