Graphoceratidae


Graphoceratidae is an extinct family of ammonites in the order Ammonitida, which lived during the Jurassic.

Distribution

Fossils are found in the Jurassic marine strata of Canada, France, Germany, Hungary, Italy, Morocco, Saudi Arabia, Spain and the United Kingdom.

Genera

Subfamily Graphoceratinae Buckman, 1905
Subfamily Leioceratinae Spath, 1936
Subfamily Dumortieriinae Haug, 1885
Subfamily Tmetoceratinae Spath, 1936