†family Stenolaphyritidae Ruzhencev and Bogoslovskaya 1971 (ammonite)
Parent taxon: Somoholitaceae according to D. Korn 2006
Sister taxon: Clistoceratidae
Subtaxa: Pseudoschartymites
Ecology: fast-moving nektonic carnivore
Parent taxon: Somoholitaceae according to D. Korn 2006
Sister taxon: Clistoceratidae
Subtaxa: Pseudoschartymites
Ecology: fast-moving nektonic carnivore