"The Grossouvriinae constitutes a subfamily of late middle Jurassic ammonites within the Perisphinctidae. Shells are evolute, discoidal, variably ribbed, and may have long lappets. Orionoides, Poculisphinctes, Pseudopeltoceras, Subgrossouvria, and Wagerniceras are included genera."@en . . . "Grossouvriinae"@en . . "Order"@en . "( Spath,1931 )"@en . "Subfamily"@en . . . "The Grossouvriinae constitutes a subfamily of late middle Jurassic ammonites within the Perisphinctidae. Shells are evolute, discoidal, variably ribbed, and may have long lappets. Orionoides, Poculisphinctes, Pseudopeltoceras, Subgrossouvria, and Wagerniceras are included genera."@en . "Suborder"@en . "M Jurassic"@en . "Grossouvriinae"@en . "Family"@en . "Superfamily"@en . "Grossouvriinae"@en .