Cephalopoda - Aulacoceratida - Xiphoteuthididae
Alternative spelling: Xiphoteuthidae
Synonym: Atractitidae Jeletzky 1965
Parent taxon: Aulacoceratida according to P. Doyle et al. 1994
See also Jeletzky 1966 and Silberling and Nichols 1982
Sister taxa: Chitinoteuthididae, Palaeobelemnopsidae
Subtaxa: Atractites Calliconites Choanoteuthis Metabelemnites Zugmontites
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Austria (2 collections), Canada (8: Alberta, British Columbia), Chile (18), Hungary (1), Italy (1)
• Triassic of Afghanistan (2), Austria (15), Bosnia and Herzegovina (9), Hungary (3), India (1), Indonesia (2), Italy (8), Japan (2), Mexico (2), Nepal (2), New Zealand (2), Romania (4), the Russian Federation (17), Türkiye (4), United States (29: Alaska, California, Nevada)
• Permian of Tunisia (1)
Total: 133 collections including 168 occurrences