†Oppelia (Trimarginites) Rollier 1909 (ammonite)
Cephalopoda - Ammonitida - Oppeliidae
Parent taxon: Oppelia according to Rollier 1909
See also Arkell et al. 1957, Parent 2006, Schlegelmilch 1994 and Sepkoski 2002
Sister taxa: Oppelia (Oecotraustes), Oppelia (Oppelia), Oppelia audax, Oppelia glabella, Oppelia haeberleini, Oppelia kachhensis, Oppelia karreri, Oppelia mamertensis, Oppelia nurrhaensis, Oppelia orientalis, Oppelia plana, Oppelia subcostata
Subtaxa: Oppelia (Trimarginites) waterhousei
Type: Ammonites trimarginatus
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Oppelia (Trimarginites) in the database