Ataxioceratidae

{{Short description|Extinct family of molluscs}}

{{Automatic taxobox

|fossil_range = from Jurassic to Cretaceous, {{Fossilrange|160|140.2}}{{cite web | title= Paleobiology Database - Ataxioceratidae | year = | url = https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=91704| access-date = 2017-10-19 }}

|image = Ataxioceratidae - Lithacoceras achilles.JPG

|image_caption = Fossil of Lithacoceras achilles from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris

|taxon = Ataxioceratidae

|authority = Buckman 1921

|subdivision_ranks =

|subdivision =

}}

Ataxioceratidae is an extinct Ammonite cephalopod family included in the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived during the Jurassic and Cretaceous periods.