What is Gastrioceratoidea?
{{Taxobox | fossil_range = | image = | image_width = | image_caption = | regnum = [[Animal]]ia | phylum = [[Mollusca]] | classis = [[Cephalopod]]a | subclassis = [[Ammonoidea]] | ordo = [[Goniatitida]] | subordo = [[Goniatitina]] | superfamilia = '''Gastrioceratoidea''' | superfamilia_authority = [[Alpheus Hyatt]] 1931 | subdivision_ranks = [[Family (biology)|families]] | subdivision = * [[Decoritidae]] * [[Gastrioceratidae]] * [[Homoceratidae]] * [[Reticuloceratidae]] * [[Surenitidae]] }} '''Gastrioceratoidea''' is one of 17 [[Superfamily|superfamilies]] of the [[Goniatitina]] suborder. They are an [[extinction|extinct]] group of [[ammonite|ammonoid]], which are similar to [[squid]]s and [[cuttlefish]]. {{biology-stub}} [[Category:Ammonites]]