†family Sonniniidae Buckman 1892 (ammonite)
Cephalopoda - Ammonitida - Sonniniidae
Parent taxon: Hildoceratoidea according to J. Sandoval 2022
See also Arkell 1952 and Howarth 2013
Sister taxa: Diplesioceras, Graphoceratidae, Hildoceratidae, Phymatoceratidae
Subtaxa: Sonniniinae Witchelliinae
Type: Sonninia
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Argentina (3 collections), Australia (30), Canada (15: British Columbia, Yukon), Chile (12), China (1), Germany (3), Hungary (2), Italy (1), Morocco (19), Poland (1), Saudi Arabia (21), Spain (2), Tanzania (1), Tunisia (2), the United Kingdom (3), United States (21: Alaska, California, Oregon)
Total: 137 collections including 265 occurrences