†family Oosterellidae Kilian 1911 (ammonite)
Cephalopoda - Ammonitida - Oosterellidae
Parent taxon: Perisphinctaceae according to A. Lukeneder 2004
See also Klein 2005, Reboulet 1996, Vasicek 2002 and Wright 1952
Sister taxa: Holcodiscidae, Isterites, Platylenticeratidae, Polyptychitidae
Subtaxa: Oosterella Pseudoosterella
Ecology: fast-moving nektonic carnivore
Distribution: