†order Clymeniida Hyatt 1884 (ammonite)
Parent taxon: Ammonoida according to R. Hoffmann et al. 2022
See also Korn and Sudar 2016, Leonova 2002, Sepkoski 2002 and Shevyrev 2006
Sister taxa: none
Subtaxa: Borkinia Clymeniina Cyrtoclymeniina Gonioclymeniina Kazakhoclymenia Wocklumeriina
Ecology: fast-moving nektonic carnivore