†family Spirulirostridae Naef 1921 (mollusk)
Cephalopoda - Spirulida - Spirulirostridae
Parent taxon: Spirulida according to P. Doyle et al. 1994
See also Jeletzky 1966, Kretzoi 1942 and Wienrich 1999
Sister taxa: Belemnoseidae, Belopteridae, Groenlandibelidae, Spirulidae, Spirulirostrinidae, Vasseuriidae
Subtaxa: Belemnosinae Spirulirostra Spirulirostridium Spirulirostrinae
Ecology: fast-moving nektonic carnivore
Distribution: