†family Collignoniceratidae Wright and Wright 1951 (ammonite)
PaleoDB taxon number: 59786
Invalid subtaxa: Prionocyclidae Breistroffer 1947 [replaced name] (no. 145197), Prionotropidae Zittel 1865 [replaced name] (no. 145196)
Parent taxon: Acanthoceratoidea according to W. J. Kennedy and A. S. Gale 2016
Sister taxa: Acanthoceratidae, Brancoceratidae, Cleoniceratidae, Coilopoceratidae, Flickiidae, Forbesiceratidae, Leymeriellidae, Lyelliceratidae, Mojsisovicsiidae, Peroniceratidae, Prolyelliceratidae, Pseudotissotidae, Pseudotissotiidae, Sphenodiscidae, Tissotiidae, Vascoceratidae
Subtaxa: Barroisiceratinae, Collignoniceratinae, Peroniceratinae, Texanitinae
Type: Collignoniceras
Ecology: fast-moving nektonic carnivore