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.
Graph IRI | Count |
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http://dbkwik.webdatacommons.org | 17 |